Year	Percent of People Ages 15 and Above
1981-01-01	40.54463
1982-01-01	40.88102
1983-01-01	41.28745
1984-01-01	41.73126
1985-01-01	42.18135
1986-01-01	42.55835
1987-01-01	43.02458
1988-01-01	43.93047
1989-01-01	44.52779
1990-01-01	45.09105
1991-01-01	45.26102
1992-01-01	45.73092
1993-01-01	46.16239
1994-01-01	47.05483
1995-01-01	47.77504
1996-01-01	48.30358
1997-01-01	49.06913
1998-01-01	50.63688
1999-01-01	51.54112
2000-01-01	51.99469
2001-01-01	52.67646
2002-01-01	53.33059
2003-01-01	54.16402
2004-01-01	55.65092
2005-01-01	55.41898
2006-01-01	54.80268
2007-01-01	54.21679
2008-01-01	55.51192
2009-01-01	56.46687
2010-01-01	56.82660
2011-01-01	54.96615
2012-01-01	60.36880
2013-01-01	60.90744
2014-01-01	61.68538
2015-01-01	62.25665
2016-01-01	62.94581