Year Percent of Working-Age Population 1960-01-01 6.18603154168008 1961-01-01 6.18233499143084 1962-01-01 6.16463489215966 1963-01-01 6.13953118476251 1964-01-01 6.10046688234952 1965-01-01 6.04362428770897 1966-01-01 6.05827940477496 1967-01-01 6.03657349218432 1968-01-01 6.01436727416120 1969-01-01 6.03075208183070 1970-01-01 6.08604247280704 1971-01-01 6.29055773133987 1972-01-01 6.52490653177920 1973-01-01 6.75243759355909 1974-01-01 6.93386667373078 1975-01-01 7.04914822792246 1976-01-01 7.20518347313475 1977-01-01 7.29000166234032 1978-01-01 7.33851365817412 1979-01-01 7.35255684293057 1980-01-01 7.36367092177709 1981-01-01 7.47689286911546 1982-01-01 7.57249766136576 1983-01-01 7.64710589795475 1984-01-01 7.69402319357716 1985-01-01 7.71616989891102 1986-01-01 7.75726484900303 1987-01-01 7.77590349128457 1988-01-01 7.79332509270705 1989-01-01 7.81215586007450 1990-01-01 7.83409284576340 1991-01-01 7.83116372219441 1992-01-01 7.83744683062902 1993-01-01 7.85208722112944 1994-01-01 7.88409153930220 1995-01-01 7.92532274081430 1996-01-01 8.13447501403706 1997-01-01 8.34957839292403 1998-01-01 8.56778930805829 1999-01-01 8.78803681206895 2000-01-01 9.00769845670788 2001-01-01 9.26082723000720 2002-01-01 9.51126233600974 2003-01-01 9.76398055351856 2004-01-01 10.03376394597770 2005-01-01 10.32826942855830 2006-01-01 11.00619214974450 2007-01-01 11.73394211128750 2008-01-01 12.48407801616740 2009-01-01 13.23942283578710 2010-01-01 13.99171262411520 2011-01-01 14.08608983184480 2012-01-01 14.16875522138680 2013-01-01 14.24973174450780 2014-01-01 14.34099502156580 2015-01-01 14.44772933919170 2016-01-01 14.58986604917430 2017-01-01 14.74124411918450