Year	Percent of People Ages 15 and Above
1976-01-01	69.63019
1977-01-01	69.72891
1978-01-01	70.53599
1979-01-01	71.31293
1980-01-01	72.11711
1981-01-01	72.88296
1982-01-01	73.33067
1983-01-01	74.46838
1984-01-01	75.36912
1985-01-01	76.13986
1986-01-01	76.87008
1987-01-01	77.56833
1988-01-01	80.96110
1989-01-01	81.51163
1990-01-01	81.54110
1991-01-01	82.66897
1992-01-01	83.14784
1993-01-01	83.61683
1994-01-01	84.06761
1995-01-01	84.55708
1996-01-01	84.99422
1997-01-01	89.46058
1998-01-01	89.84554
1999-01-01	90.16596
2000-01-01	90.54035
2001-01-01	90.78726
2002-01-01	90.96641
2003-01-01	91.50942
2004-01-01	91.91894
2005-01-01	92.24621
2006-01-01	92.41738
2007-01-01	93.32680
2008-01-01	93.56802
2009-01-01	93.78637
2010-01-01	93.84457
2011-01-01	94.17010
2012-01-01	94.30538
2013-01-01	94.34268
2014-01-01	94.55732
2015-01-01	94.78283
2016-01-01	94.95296