Year	Percent of People Ages 15 and Above
1974-01-01	78.85941
1975-01-01	78.85387
1976-01-01	79.17918
1977-01-01	79.58256
1978-01-01	80.00656
1979-01-01	80.38887
1980-01-01	80.70915
1981-01-01	81.11073
1982-01-01	81.48251
1983-01-01	81.86233
1984-01-01	82.22880
1985-01-01	82.58580
1986-01-01	82.93958
1987-01-01	83.22897
1988-01-01	83.71908
1989-01-01	84.16259
1990-01-01	84.51249
1991-01-01	85.11954
1992-01-01	85.73411
1993-01-01	86.36115
1994-01-01	86.95404
1995-01-01	87.55793
1996-01-01	87.86614
1997-01-01	88.16563
1998-01-01	88.62740
1999-01-01	88.91745
2000-01-01	89.06632
2001-01-01	89.24804
2002-01-01	89.32667
2003-01-01	90.12549
2004-01-01	90.00452
2005-01-01	90.50969
2006-01-01	90.40762
2007-01-01	90.87187
2008-01-01	91.22701
2009-01-01	91.42324
2010-01-01	91.60362
2011-01-01	92.15993
2012-01-01	92.40930
2013-01-01	92.45332
2014-01-01	92.87993
2015-01-01	93.23081
2016-01-01	93.52506