55707 Zip Code (Mahtowa, MN) Detailed Profile

Estimated zip code population in 2022: 3,335
Zip code population in 2010: 3,440
Zip code population in 2000: 3,179

Houses and condos: 1,625
Renter-occupied apartments: 167
March 2022 cost of living index in zip code 55707: 86.3 (less than average, U.S. average is 100)

Land area: 157.8 sq. mi.
Water area: 2.8 sq. mi.

Population density: 21 people per square mile

(very low).

Real estate property taxes paid for housing units in 2022:
Median real estate property taxes paid for housing units with mortgages in 2022: $2,155 (0.8%)
Median real estate property taxes paid for housing units with no mortgage in 2022: $1,861 (0.9%)

For population 25 years and over in 55707:

• High school or higher: 94.1%
• Bachelor's degree or higher: 23.8%
• Graduate or professional degree: 9.7%
• Unemployed: 4.1%
• Mean travel time to work (commute): 26.5 minutes

For population 15 years and over in 55707:

• Never married: 21.9%
• Now married: 66.0%
• Separated: 0.6%
• Widowed: 4.1%
• Divorced: 7.4%

• 
• • 3,16394.8%White
  • 1083.2%Two or more races
  • 421.3%Hispanic or Latino
  • 80.2%American Indian
  • 70.2%Asian
  • 50.1%Black
  • 20.06%Some other race

100% rural population.

Averages for the 2020 tax year for zip code 55707, filed in 2021:

Average Adjusted Gross Income (AGI) in 2020: $59,748 (Individual Income Tax Returns)

Here:	$59,748
State:	$82,178

Salary/wage: $54,922 (reported on 81.8% of returns)

Here:	$54,922
State:	$67,438

(% of AGI for various income ranges: 1237.6% for AGIs below $25k, 3393.6% for AGIs $25k-50k, 6414.5% for AGIs $50k-75k, 10140.0% for AGIs $75k-100k, 16187.2% for AGIs $100k-200k)

Taxable interest for individuals: $651 (reported on 33.3% of returns)

This zip code:	$651
Minnesota:	$1,814

(% of AGI for various income ranges: 11.2% for AGIs below $25k, 20.7% for AGIs $25k-50k, 56.0% for AGIs $50k-75k, 18.6% for AGIs $75k-100k, 69.4% for AGIs $100k-200k)

Ordinary dividends: $3,036 (reported on 15.2% of returns)

Here:	$3,036
State:	$6,928

(% of AGI for various income ranges: 11.5% for AGIs below $25k, 34.3% for AGIs $25k-50k, 40.0% for AGIs $50k-75k, 21.4% for AGIs $75k-100k, 286.1% for AGIs $100k-200k)

Net capital gain/loss in AGI: +$7,188 (reported on 15.2% of returns)

Here:	+$7,188
State:	+$20,591

(% of AGI for various income ranges: 21.8% for AGIs below $25k, 34.6% for AGIs $25k-50k, 92.5% for AGIs $50k-75k, 116.4% for AGIs $75k-100k, 711.1% for AGIs $100k-200k)

Profit/loss from business: +$8,852 (reported on 12.7% of returns)

Here:	+$8,852
State:	+$14,342

(% of AGI for various income ranges: 91.2% for AGIs below $25k, 141.1% for AGIs $25k-50k, 184.5% for AGIs $50k-75k, 156.4% for AGIs $75k-100k, 319.4% for AGIs $100k-200k)

Taxable individual retirement arrangement distribution: $13,939 (reported on 10.9% of returns)

55707:	$13,939
Minnesota:	$20,675

(% of AGI for various income ranges: 94.2% for AGIs below $25k, 132.1% for AGIs $25k-50k, 287.0% for AGIs $50k-75k, 297.1% for AGIs $75k-100k, 465.6% for AGIs $100k-200k)

Total itemized deductions: $28,400 (reported on 4.2% of returns)

Here:	$28,400
State:	$33,311

(% of AGI for various income ranges: 491.0% for AGIs $50k-75k, 558.9% for AGIs $100k-200k)

Charity contributions: $6,650 (reported on 2.4% of returns)

Here:	$6,650
State:	$11,879

(% of AGI for various income ranges: 147.8% for AGIs $100k-200k)

Taxes paid: $7,314 (reported on 4.2% of returns)

55707:	$7,314
State:	$8,252

(% of AGI for various income ranges: 101.0% for AGIs $50k-75k, 172.2% for AGIs $100k-200k)

Earned income credit: $1,981 (reported on 9.7% of returns)

Here:	$1,981
State:	$2,055

(% of AGI for various income ranges: 51.2% for AGIs below $25k, 52.9% for AGIs $25k-50k)

Percentage of individuals using paid preparers for their 2020 taxes: 93.9%

Here:	94%
State:	94%

(% for various income ranges: 95.7% for AGIs below $25k, 94.7% for AGIs $25k-50k, 93.1% for AGIs $50k-75k, 90.5% for AGIs $75k-100k, 93.1% for AGIs $100k-200k, 100.0% for AGIs over 200k)

Averages for the 2012 tax year for zip code 55707, filed in 2013:

Average Adjusted Gross Income (AGI) in 2012: $49,607 (Individual Income Tax Returns)

Here:	$49,607
State:	$67,192

Salary/wage: $45,819 (reported on 85.4% of returns)

Here:	$45,819
State:	$55,182

(% of AGI for various income ranges: 70.7% for AGIs below $25k, 75.9% for AGIs $25k-50k, 78.8% for AGIs $50k-75k, 83.6% for AGIs $75k-100k, 78.9% for AGIs $100k-200k)

Taxable interest for individuals: $681 (reported on 36.1% of returns)

This zip code:	$681
Minnesota:	$1,664

(% of AGI for various income ranges: 0.9% for AGIs below $25k, 0.6% for AGIs $25k-50k, 0.3% for AGIs $50k-75k, 0.7% for AGIs $75k-100k, 0.2% for AGIs $100k-200k)

Ordinary dividends: $1,332 (reported on 15.3% of returns)

Here:	$1,332
State:	$5,665

(% of AGI for various income ranges: 0.8% for AGIs below $25k, 0.4% for AGIs $25k-50k, 0.7% for AGIs $50k-75k, 0.2% for AGIs $75k-100k, 0.3% for AGIs $100k-200k)

Net capital gain/loss in AGI: +$2,174 (reported on 13.2% of returns)

Here:	+$2,174
State:	+$16,131

(% of AGI for various income ranges: 0.3% for AGIs below $25k, 0.7% for AGIs $25k-50k, 0.9% for AGIs $50k-75k, 0.9% for AGIs $75k-100k, 0.1% for AGIs $100k-200k)

Profit/loss from business: +$9,775 (reported on 13.9% of returns)

Here:	+$9,775
State:	+$12,430

(% of AGI for various income ranges: 6.8% for AGIs below $25k, 3.2% for AGIs $25k-50k, 3.6% for AGIs $50k-75k, 2.3% for AGIs $75k-100k, 0.9% for AGIs $100k-200k)

Taxable individual retirement arrangement distribution: $9,131 (reported on 11.1% of returns)

55707:	$9,131
Minnesota:	$15,212

(% of AGI for various income ranges: 4.6% for AGIs below $25k, 2.4% for AGIs $25k-50k, 1.7% for AGIs $50k-75k, 3.4% for AGIs $75k-100k)

Total itemized deductions: $19,512 (25% of AGI, reported on 36.1% of returns)

Here:	$19,512
State:	$24,665

Here:	25.2% of AGI
State:	19.6% of AGI

(% of AGI for various income ranges: 9.8% for AGIs below $25k, 11.7% for AGIs $25k-50k, 14.1% for AGIs $50k-75k, 15.1% for AGIs $75k-100k, 16.4% for AGIs $100k-200k)

Charity contributions: $2,083 (reported on 25.0% of returns)

Here:	$2,083
State:	$3,948

(% of AGI for various income ranges: 0.5% for AGIs below $25k, 1.0% for AGIs $25k-50k, 1.2% for AGIs $50k-75k, 1.2% for AGIs $75k-100k, 1.0% for AGIs $100k-200k)

Taxes paid: $6,363 (reported on 35.4% of returns)

55707:	$6,363
State:	$10,589

(% of AGI for various income ranges: 1.6% for AGIs below $25k, 2.9% for AGIs $25k-50k, 3.9% for AGIs $50k-75k, 4.7% for AGIs $75k-100k, 7.0% for AGIs $100k-200k)

Earned income credit: $1,929 (reported on 14.6% of returns)

Here:	$1,929
State:	$2,037

(% of AGI for various income ranges: 4.3% for AGIs below $25k, 1.3% for AGIs $25k-50k)

Percentage of individuals using paid preparers for their 2012 taxes: 60.4%

Here:	60%
State:	55%

(% for various income ranges: 53.1% for AGIs below $25k, 64.7% for AGIs $25k-50k, 65.4% for AGIs $50k-75k, 61.9% for AGIs $75k-100k, 64.3% for AGIs $100k-200k)

Averages for the 2004 tax year for zip code 55707, filed in 2005:

Average Adjusted Gross Income (AGI) in 2004: $38,585 (Individual Income Tax Returns)

Here:	$38,585
State:	$53,560

Salary/wage: $37,018 (reported on 85.8% of returns)

Here:	$37,018
State:	$46,177

(% of AGI for various income ranges: 144.8% for AGIs below $10k, 77.4% for AGIs $10k-25k, 81.2% for AGIs $25k-50k, 85.4% for AGIs $50k-75k, 82.8% for AGIs $75k-100k, 75.0% for AGIs over 100k)

Taxable interest for individuals: $732 (reported on 51.3% of returns)

This zip code:	$732
Minnesota:	$1,796

(% of AGI for various income ranges: 6.2% for AGIs below $10k, 1.1% for AGIs $10k-25k, 1.2% for AGIs $25k-50k, 0.9% for AGIs $50k-75k, 0.7% for AGIs $75k-100k, 0.3% for AGIs over 100k)

Taxable dividends: $1,082 (reported on 18.1% of returns)

Here:	$1,082
State:	$3,096

(% of AGI for various income ranges: 3.4% for AGIs below $10k, 0.9% for AGIs $10k-25k, 0.4% for AGIs $25k-50k, 0.5% for AGIs $50k-75k, 0.4% for AGIs $75k-100k, 0.3% for AGIs over 100k)

Net capital gain/loss: +$3,095 (reported on 15.5% of returns)

Here:	+$3,095
State:	+$10,864

(% of AGI for various income ranges: 3.2% for AGIs below $10k, 0.6% for AGIs $10k-25k, 1.2% for AGIs $25k-50k, 0.5% for AGIs $50k-75k, 1.5% for AGIs $75k-100k, 2.6% for AGIs over 100k)

Profit/loss from business: +$5,470 (reported on 16.6% of returns)

Here:	+$5,470
State:	+$10,442

(% of AGI for various income ranges: 14.9% for AGIs below $10k, 5.2% for AGIs $10k-25k, 2.6% for AGIs $25k-50k, 2.0% for AGIs $50k-75k, 1.6% for AGIs $75k-100k)

IRA payment deduction: $2,826 (reported on 3.2% of returns)

55707:	$2,826
Minnesota:	$2,955

Total itemized deductions: $15,048 (24% of AGI, reported on 33.5% of returns)

Here:	$15,048
State:	$20,035

Here:	24.1% of AGI
State:	21.3% of AGI

(% of AGI for various income ranges: 13.4% for AGIs $10k-25k, 12.1% for AGIs $25k-50k, 13.9% for AGIs $50k-75k, 14.5% for AGIs $75k-100k, 12.7% for AGIs over 100k)

Charity contributions deductions: $1,878 (3% of AGI, reported on 27.0% of returns)

Here:	$1,878
State:	$3,333

Here:	3.1% of AGI
State:	3.4% of AGI

(% of AGI for various income ranges: 1.5% for AGIs $10k-25k, 1.1% for AGIs $25k-50k, 1.3% for AGIs $50k-75k, 1.2% for AGIs $75k-100k, 1.6% for AGIs over 100k)

Total tax: $3,830 (reported on 76.5% of returns)

55707:	$3,830
State:	$8,485

(% of AGI for various income ranges: 4.4% for AGIs below $10k, 4.3% for AGIs $10k-25k, 6.0% for AGIs $25k-50k, 7.6% for AGIs $50k-75k, 9.6% for AGIs $75k-100k, 11.1% for AGIs over 100k)

Earned income credit: $1,639 (reported on 12.9% of returns)

Here:	$1,639
State:	$1,523

Percentage of individuals using paid preparers for their 2004 taxes: 60.0%

Here:	60%
State:	59%

(% for various income ranges: 46.1% for AGIs below $10k, 60.5% for AGIs $10k-25k, 66.3% for AGIs $25k-50k, 62.8% for AGIs $50k-75k, 60.6% for AGIs $75k-100k, 63.0% for AGIs over 100k)

Nearest zip codes: 55780, 55718, 55767, 55756, 55720, 55749.
Mahtowa Zip Code Map

No gay or lesbian households reported

Household received Food Stamps/SNAP in the past 12 months: 76
Household did not receive Food Stamps/SNAP in the past 12 months: 1,233

Women who had a birth in the past 12 months: 24 (23 now married, 1 unmarried)
Women who did not have a birth in the past 12 months: 605 (353 now married, 253 unmarried)

Housing units in zip code 55707 with a mortgage: 704 (82 second mortgage, 5 home equity loan, 61 both second mortgage and home equity loan)
Houses without a mortgage: 18

Median monthly owner costs for units with a mortgage: $1,540
Median monthly owner costs for units without a mortgage: $501

Residents with income below the poverty level in 2022:
Residents with income below 50% of the poverty level in 2022:

• Zip code 55707 household income distribution in 2022

• 73Less than $10,000
• 29$10,000 to $14,999
• 27$15,000 to $19,999
• 25$20,000 to $24,999
• 43$25,000 to $29,999
• 23$30,000 to $34,999
• 65$35,000 to $39,999
• 44$40,000 to $44,999
• 30$45,000 to $49,999
• 101$50,000 to $59,999
• 163$60,000 to $74,999
• 206$75,000 to $99,999
• 173$100,000 to $124,999
• 161$125,000 to $149,999
• 102$150,000 to $199,999
• 42$200,000 or more

• Estimate of home value of owner-occupied houses/condos in 2022 in zip code 55707

• 14Less than $10,000
• 16$10,000 to $14,999
• 12$15,000 to $19,999
• 9$20,000 to $24,999
• 13$25,000 to $29,999
• 3$35,000 to $39,999
• 13$40,000 to $49,999
• 5$50,000 to $59,999
• 4$60,000 to $69,999
• 10$70,000 to $79,999
• 10$80,000 to $89,999
• 10$90,000 to $99,999
• 44$100,000 to $124,999
• 55$125,000 to $149,999
• 94$150,000 to $174,999
• 98$175,000 to $199,999
• 180$200,000 to $249,999
• 151$250,000 to $299,999
• 171$300,000 to $399,999
• 78$400,000 to $499,999
• 32$500,000 to $749,999
• 9$750,000 to $999,999
• 8$1,000,000 to $1,499,999
• 1$2,000,000 or more

• Rent paid by renters in 2022 in zip code 55707

• 9$150 to $199
• 2$200 to $249
• 1$250 to $299
• 9$300 to $349
• 3$350 to $399
• 6$500 to $549
• 4$550 to $599
• 2$600 to $649
• 1$650 to $699
• 1$700 to $749
• 30$750 to $799
• 20$800 to $899
• 7$900 to $999
• 6$1,000 to $1,249
• 7$1,250 to $1,499
• 50No cash rent

Median gross rent in 2022: $832.

Estimated median house (or condo) value in 2022 for:

• White Non-Hispanic householders: $234,224
• American Indian or Alaska Native householders: $318,624
• Two or more races householders: $92,047
• Hispanic or Latino householders: $318,624

Estimated median house or condo value in 2022: $238,473 Lower value quartile - upper value quartile: $168,804 - $317,740

Mean price in 2022:

Detached houses: $289,555

Here:	$289,555
State:	$374,552

Mobile homes: $2,263,700

Here:	$2,263,700
State:	$94,605

Housing units in structures:

• One, detached: 1,325
• One, attached: 7
• Two: 2
• 3 or 4: 24
• 5 to 9: 31
• 10 to 19: 1
• 20 to 49: 28
• Mobile homes: 187
• Boats, RVs, vans, etc.: 5

Unemployment: 4.1%

• Means of transportation to work in zip code 55707

• 80.2%1,230Drove a car alone
• 6.9%106Carpooled
• 0.1%2Motorcycle
• 0.8%12Bicycle
• 1.0%15Walked
• 0.9%14Other means
• 8.5%131Worked at home

• Travel time to work (commute) in zip code 55707

• 28Less than 5 minutes
• 735 to 9 minutes
• 13510 to 14 minutes
• 24515 to 19 minutes
• 25620 to 24 minutes
• 13825 to 29 minutes
• 13830 to 34 minutes
• 8635 to 39 minutes
• 5740 to 44 minutes
• 14845 to 59 minutes
• 3060 to 89 minutes
• 3290 or more minutes

Percentage of zip code residents living and working in this county: 70.0%

Household type by relationship:

Households: 3,335

• Male householders: 726 (181 living alone), Female householders: 584 (106 living alone)

• 845 spouses (843 opposite-sex spouses), 63 unmarried partners, (63 opposite-sex unmarried partners), 932 children (873 natural, 17 adopted, 42 stepchildren), 34 grandchildren, 39 brothers or sisters, 28 parents, 1 foster children, 21 other relatives, 50 non-relatives

• In group quarters: 18 (-1 institutionalized population)

Size of family households: 469 2-persons, 176 3-persons, 194 4-persons, 86 5-persons, 23 6-persons, 10 7-or-more-persons

Size of nonfamily households: 287 1-person, 49 2-persons, 8 4-persons, 2 6-persons

694 married couples with children.
56 single-parent households (17 men, 39 women).

97.4% of residents of 55707 zip code speak English at home.
0.2% of residents speak Spanish at home (100% very well).
1.5% of residents speak other Indo-European language at home (52% very well, 48% not well).
0.1% of residents speak Asian or Pacific Island language at home (75% very well, 25% well).
0.5% of residents speak other language at home (94% very well, 6% well).

Facilities with environmental interests located in this zip code:

• BARNUM WWTP (COUNTY ROAD 6 in BARNUM, MN)

  STATE MASTER (Minnesota Pollution Control Agency permits and compilance tracking) - PCS-MN0022705, NPDES NON-MAJOR
  National Pollutant Discharge Elimination System NON-MAJOR (Tracking pollutant discharge elimination systems) - permit
  COMMUNITY WATER SYSTEM (SDWIS) - SDWIS-MN1090001 2, WATER TREATMENT PLANT
  Business SIC classification: SEWERAGE SYSTEMS
  Business NAICS classification: SEWAGE TREATMENT FACILITIES.
  Organizations: BARNUM CITY OF (CONTACT/OWNER)
  

• BERUBE AUTO SALES (3670 FRONT STREET in BARNUM, MN)

  STATE MASTER (Minnesota Pollution Control Agency permits and compilance tracking) - RCRAINFO-MNR000059790, CESQG, RCRIS-MNR000059790,
  (Resource Conservation and Recovery Act (tracking hazardous waste))
  Business SIC classification: MOTOR VEHICLE DEALERS (NEW AND USED)
  Organizations: J & B MIDWEST COMPANYS (CONTACT/OWNER) , J & B MIDWEST COMPANIES (CONTACT/OWNER)
  Alternative names: BERUBE AUTO BODY, BERUBEAUTO SALES

• BARNUM BUS GARAGE ISD 91 (123 NORTH ST in BARNUM, MN)

  STATE MASTER (Minnesota Pollution Control Agency permits and compilance tracking) - RCRAINFO-MND985712801, CESQG, RCRIS-MND985712801,
  Conditionally Exempt Small Quantity Generators, less than 100 kg/month of hazardous waste (Resource Conservation and Recovery Act (tracking hazardous waste)) - notification
  Business SIC classification: GENERAL AUTOMOTIVE REPAIR SHOPS
  Business NAICS classification: GENERAL AUTOMOTIVE REPAIR.
  Alternative names: ISD 91 BARNUM BUS GARAGE

• HANSON APPLIANCE (240 FRONT ST in BARNUM, MN)

  STATE MASTER (Minnesota Pollution Control Agency permits and compilance tracking) - RCRAINFO-MND985742469, CESQG, RCRIS-MND985742469,
  Conditionally Exempt Small Quantity Generators, less than 100 kg/month of hazardous waste (Resource Conservation and Recovery Act (tracking hazardous waste)) - notification
  Organizations: HANSON HUGH (CONTACT/OWNER)
  

• BARNUM EL. ( in BARNUM, MN)

  (National Center for Education Statistics) - STATE ID-010091001
  

• BARNUM SEC. ( in BARNUM, MN)

  (National Center for Education Statistics) - STATE ID-010091002
  

• MPCA CARLTON CO HWY DEPT GARAGE (TRUNK HWY 61 in BARNUM, MN)

  (Resource Conservation and Recovery Act (tracking hazardous waste))
  

• GATEWAY TOWING (3670 FRONT ST/B in BARNUM, MN)

  (Resource Conservation and Recovery Act (tracking hazardous waste))
  Organizations: J & B MIDWEST COMPANYS (CONTACT/OWNER)
  

• NOSTALGIC AUTOMOTIVE (3440 COUNTY RD 6 in BARNUM, MN)

  Conditionally Exempt Small Quantity Generators, less than 100 kg/month of hazardous waste (Resource Conservation and Recovery Act (tracking hazardous waste)) - notification
  Organizations: CONNOR MITCH (CONTACT/OWNER)
  

Housing units lacking complete plumbing facilities: 4.0%
Housing units lacking complete kitchen facilities: 4.4%

Population in 1990: 2,028. Population change in the 1990s: +1,151 (+56.8%).

Place of birth for U.S.-born residents:

• This state: 2,820
• Northeast: 41
• Midwest: 236
• South: 91
• West: 93

69% of the 55707 zip code residents lived in the same house 5 years ago.
   Out of people who lived in different houses, 59% lived in this county.
   Out of people who lived in different counties, 50% lived in Minnesota.

93% of the 55707 zip code residents lived in the same house 1 year ago.
   Out of people who lived in different houses, 47% moved from this county.
   Out of people who lived in different houses, 14% moved from different county within same state.
   Out of people who lived in different houses, 33% moved from different state.
   Out of people who lived in different houses, 11% moved from abroad.

Private vs. public school enrollment:

Students in private schools in grades 1 to 8 (elementary and middle school): 104
Students in private schools in grades 9 to 12 (high school): 24 Students in private undergraduate colleges: 9

Top industries in this zip code by the number of employees in 2005:

• Accommodation and Food Services: Full-Service Restaurants (20-49 employees: 1 establishment, 1-4 employees: 1 establishment)
• Construction: Roofing Contractors (20-49: 1)
• Other Services (except Public Administration): Religious Organizations (5-9: 1, 1-4: 5)
• Management of Companies and Enterprises: Corporate, Subsidiary, and Regional Managing Offices (10-19: 1)
• Wholesale Trade: Beer and Ale Merchant Wholesalers (10-19: 1)
• Accommodation and Food Services: Drinking Places (Alcoholic Beverages) (5-9: 1)

Detailed HMDA statistics for the following Tracts: 9704.00 , 9705.00, 9706.00


Detailed PMIC statistics for the following Tracts: 9704.00 , 9705.00, 9706.00

2002 - 2018 National Fire Incident Reporting System (NFIRS) incidents

According to the data from the years 2002 - 2018 the average number of fire incidents per year is 31. The highest number of reported fire incidents - 51 took place in 2009, and the least - 15 in 2008. The data has a rising trend.
When looking into fire subcategories, the most incidents belonged to: Structure Fires (42.4%), and Outside Fires (35.5%).


• Fire incident types reported to NFIRS in Zip Code 55707
• 22642.4%Structure Fires
• 18935.5%Outside Fires
• 9417.6%Mobile Property/Vehicle Fires
• 244.5%Other

See full 2006 National Fire Incident Reporting System statistics for zip code 55707, Minnesota

Most common first names in zip code 55707 among deceased individuals
Name	Count	Lived (average)
John	15	76.9 years
William	13	80.9 years
George	12	74.3 years
Robert	10	66.5 years
Donald	9	78.3 years
Helen	9	76.3 years
Arthur	9	76.6 years
Walter	8	78.9 years
Ruth	8	79.0 years
Henry	8	76.9 years

Most common last names in zip code 55707 among deceased individuals
Last name	Count	Lived (average)
Johnson	15	75.7 years
Anderson	13	78.2 years
Olson	8	77.9 years
Peterson	8	77.3 years
Swanson	8	82.9 years
Carlson	7	76.4 years
Nelson	6	81.0 years
Paulson	6	74.0 years
Skoglund	6	75.7 years
Thompson	6	76.8 years