Year Percent of Working-Age Population 1960-01-01 6.82079165552625 1961-01-01 6.88318988004359 1962-01-01 6.88914887440927 1963-01-01 6.84994873038238 1964-01-01 6.77907486878494 1965-01-01 6.68213082552936 1966-01-01 6.80811670352835 1967-01-01 6.91216773685738 1968-01-01 6.99538126880390 1969-01-01 7.06862056493808 1970-01-01 7.13022342817832 1971-01-01 7.24917269103044 1972-01-01 7.35476126718718 1973-01-01 7.44845244750390 1974-01-01 7.53822964612138 1975-01-01 7.61945475170734 1976-01-01 7.75304950555509 1977-01-01 7.87657758735538 1978-01-01 7.98765788946709 1979-01-01 8.08398759444708 1980-01-01 8.16632506684052 1981-01-01 8.27148551947901 1982-01-01 8.35824852119600 1983-01-01 8.43032993249797 1984-01-01 8.49066759012083 1985-01-01 8.54371119363751 1986-01-01 8.61828329021404 1987-01-01 8.68045183015507 1988-01-01 8.74218081606294 1989-01-01 8.81719343657410 1990-01-01 8.91276292956750 1991-01-01 9.04668430641780 1992-01-01 9.18809577118443 1993-01-01 9.33855580109488 1994-01-01 9.49773294212311 1995-01-01 9.66442085403039 1996-01-01 9.85754883574870 1997-01-01 10.04903044477640 1998-01-01 10.23446541551870 1999-01-01 10.40417086059420 2000-01-01 10.55507490046030 2001-01-01 10.72190509483910 2002-01-01 10.86601619180450 2003-01-01 10.99234843209750 2004-01-01 11.10642920198280 2005-01-01 11.21817102790110 2006-01-01 11.35917027984500 2007-01-01 11.49696552058280 2008-01-01 11.64525760454200 2009-01-01 11.81935305516840 2010-01-01 12.03261240647620 2011-01-01 12.29046095964760 2012-01-01 12.57521647109070 2013-01-01 12.90357266078010 2014-01-01 13.29842779425590 2015-01-01 13.77238046568950 2016-01-01 14.33477782435260 2017-01-01 14.96661875497350