Year	Percent of People Ages 15 and Above
1976-01-01	68.77466
1977-01-01	68.87067
1978-01-01	69.78968
1979-01-01	70.74184
1980-01-01	71.12901
1981-01-01	72.55735
1982-01-01	73.08464
1983-01-01	74.33903
1984-01-01	75.20576
1985-01-01	76.04138
1986-01-01	76.82092
1987-01-01	77.88814
1988-01-01	81.63784
1989-01-01	82.22966
1990-01-01	82.00383
1991-01-01	83.25179
1992-01-01	83.67971
1993-01-01	84.06937
1994-01-01	84.53053
1995-01-01	84.99768
1996-01-01	85.45928
1997-01-01	90.41830
1998-01-01	90.74679
1999-01-01	91.04059
2000-01-01	91.46029
2001-01-01	91.70931
2002-01-01	92.03837
2003-01-01	92.36223
2004-01-01	92.84659
2005-01-01	93.16707
2006-01-01	93.54266
2007-01-01	94.50484
2008-01-01	94.71875
2009-01-01	94.98859
2010-01-01	95.06498
2011-01-01	94.91905
2012-01-01	95.12052
2013-01-01	95.20350
2014-01-01	95.51643
2015-01-01	95.63301
2016-01-01	95.74399