Year Percent of Working-Age Population 1960-01-01 9.03551790756427 1961-01-01 8.93435861174945 1962-01-01 8.78913018366640 1963-01-01 8.60744840048564 1964-01-01 8.39832946122359 1965-01-01 8.15378976092535 1966-01-01 8.33389097819832 1967-01-01 8.52598287657637 1968-01-01 8.75413853332986 1969-01-01 9.01198524892440 1970-01-01 9.29721999197110 1971-01-01 9.48462962735890 1972-01-01 9.64176644529546 1973-01-01 9.73279917229100 1974-01-01 9.75440494954010 1975-01-01 9.72193305110232 1976-01-01 9.70160240077006 1977-01-01 9.67612776937450 1978-01-01 9.64040038804127 1979-01-01 9.61743752859415 1980-01-01 9.60818192549983 1981-01-01 9.66273863828349 1982-01-01 9.72292713242529 1983-01-01 9.77451280481584 1984-01-01 9.83444676198825 1985-01-01 9.89692774983817 1986-01-01 10.19279361731760 1987-01-01 10.51031465724840 1988-01-01 10.84392662572180 1989-01-01 11.18306169965080 1990-01-01 11.51977061657340 1991-01-01 11.85591679162810 1992-01-01 12.21082578423300 1993-01-01 12.58564846981860 1994-01-01 12.97253980126080 1995-01-01 13.36945161359130 1996-01-01 13.84338814571990 1997-01-01 14.32630980697580 1998-01-01 14.81132882690170 1999-01-01 15.31921488746940 2000-01-01 15.85097433651770 2001-01-01 16.20517798586530 2002-01-01 16.60950054033740 2003-01-01 17.06222451199270 2004-01-01 17.56502453121850 2005-01-01 18.12219237086270 2006-01-01 18.32150799534050 2007-01-01 18.57302765225320 2008-01-01 18.87197302544190 2009-01-01 19.24740133181740 2010-01-01 19.68986331086990 2011-01-01 20.25166074310210 2012-01-01 20.92242236820080 2013-01-01 21.72389491405970 2014-01-01 22.62629794756730 2015-01-01 23.61246395540600 2016-01-01 24.40505891835870 2017-01-01 25.20226459843540