Year	Percent of People Ages 15 and Above
1975-01-01	59.33816
1976-01-01	59.44776
1977-01-01	59.73222
1978-01-01	60.38849
1979-01-01	61.03692
1980-01-01	61.43789
1981-01-01	62.18995
1982-01-01	62.80778
1983-01-01	63.62126
1984-01-01	64.34374
1985-01-01	64.99809
1986-01-01	65.62143
1987-01-01	66.37659
1988-01-01	68.40808
1989-01-01	68.97242
1990-01-01	69.28267
1991-01-01	70.03745
1992-01-01	70.64224
1993-01-01	71.16054
1994-01-01	71.66999
1995-01-01	72.15757
1996-01-01	72.67889
1997-01-01	75.17753
1998-01-01	76.68950
1999-01-01	77.10099
2000-01-01	77.33614
2001-01-01	77.68525
2002-01-01	78.12303
2003-01-01	78.76401
2004-01-01	79.37000
2005-01-01	79.35941
2006-01-01	79.37729
2007-01-01	80.03067
2008-01-01	80.44711
2009-01-01	80.86176
2010-01-01	81.39550
2011-01-01	81.42259
2012-01-01	82.38006
2013-01-01	82.55274
2014-01-01	82.96363
2015-01-01	83.23758
2016-01-01	83.53696