Year	Percent of People Ages 15 and Above
1974-01-01	78.10916
1975-01-01	78.10858
1976-01-01	78.45616
1977-01-01	78.88669
1978-01-01	79.32665
1979-01-01	79.72270
1980-01-01	80.05716
1981-01-01	80.46989
1982-01-01	80.85273
1983-01-01	81.25224
1984-01-01	81.63251
1985-01-01	82.00320
1986-01-01	82.37083
1987-01-01	82.66758
1988-01-01	83.18156
1989-01-01	83.61067
1990-01-01	83.96974
1991-01-01	84.60831
1992-01-01	85.25310
1993-01-01	85.91204
1994-01-01	86.53378
1995-01-01	87.16686
1996-01-01	87.48774
1997-01-01	87.79909
1998-01-01	88.28174
1999-01-01	88.58914
2000-01-01	88.74151
2001-01-01	88.92826
2002-01-01	89.00611
2003-01-01	89.84925
2004-01-01	89.71658
2005-01-01	90.24293
2006-01-01	90.12380
2007-01-01	90.53706
2008-01-01	90.90380
2009-01-01	91.11197
2010-01-01	91.33446
2011-01-01	91.94427
2012-01-01	92.19720
2013-01-01	92.26499
2014-01-01	92.70338
2015-01-01	93.06719
2016-01-01	93.37249