Year	Percent of People Ages 15 and Above
1976-01-01	68.89088
1977-01-01	69.01872
1978-01-01	69.42679
1979-01-01	69.82894
1980-01-01	70.04151
1981-01-01	70.52107
1982-01-01	70.90224
1983-01-01	71.43196
1984-01-01	71.89769
1985-01-01	72.31477
1986-01-01	72.71471
1987-01-01	73.22343
1988-01-01	74.75798
1989-01-01	75.13745
1990-01-01	75.44227
1991-01-01	75.98572
1992-01-01	76.40811
1993-01-01	76.76463
1994-01-01	77.11910
1995-01-01	77.47595
1996-01-01	77.85684
1997-01-01	79.81575
1998-01-01	81.00499
1999-01-01	81.31425
2000-01-01	81.48032
2001-01-01	81.74314
2002-01-01	82.07512
2003-01-01	82.56752
2004-01-01	83.03863
2005-01-01	83.00066
2006-01-01	82.99782
2007-01-01	83.51070
2008-01-01	83.83223
2009-01-01	84.14787
2010-01-01	84.56410
2011-01-01	84.59739
2012-01-01	85.36389
2013-01-01	85.49051
2014-01-01	85.80934
2015-01-01	86.01721
2016-01-01	86.24776