Year	Percent of People Ages 15 and Above
1976-01-01	64.01993
1977-01-01	64.18430
1978-01-01	65.30334
1979-01-01	66.46397
1980-01-01	66.97471
1981-01-01	68.67846
1982-01-01	69.34541
1983-01-01	70.84641
1984-01-01	71.89396
1985-01-01	72.89674
1986-01-01	73.82719
1987-01-01	75.07429
1988-01-01	79.37541
1989-01-01	80.06918
1990-01-01	79.79885
1991-01-01	81.22664
1992-01-01	81.72661
1993-01-01	82.18460
1994-01-01	82.72142
1995-01-01	83.25121
1996-01-01	83.78144
1997-01-01	89.40332
1998-01-01	89.77128
1999-01-01	90.10101
2000-01-01	90.57497
2001-01-01	90.85471
2002-01-01	91.22521
2003-01-01	91.58946
2004-01-01	92.13010
2005-01-01	92.49397
2006-01-01	92.91788
2007-01-01	93.99710
2008-01-01	94.23727
2009-01-01	94.53922
2010-01-01	94.62366
2011-01-01	94.45929
2012-01-01	94.68354
2013-01-01	94.77481
2014-01-01	95.12328
2015-01-01	95.25260
2016-01-01	95.37519