Year % of working-age population 1960 86.16934481616045 1961 86.55204146213732 1962 86.9517386843136 1963 87.44655935484197 1964 88.02271058632532 1965 88.54346371707936 1966 88.98473810690253 1967 89.41982807724597 1968 89.85518937398997 1969 90.30320302965323 1970 90.7792172325357 1971 91.29201150286774 1972 91.8533581311305 1973 92.35054340325817 1974 92.70478964347916 1975 93.02132906348152 1976 93.35435194287692 1977 93.67936009256813 1978 93.94604651718726 1979 94.22586435341645 1980 94.58351444015909 1981 94.94697718822817 1982 95.2349086309196 1983 95.43419708492763 1984 95.63282105287531 1985 95.88072807066624 1986 96.1173041098259 1987 96.32240164169892 1988 96.4547459976373 1989 96.55526801223547 1990 96.65308628052885 1991 96.65576212557151 1992 96.56489426648822 1993 96.53992621300817 1994 96.24891716381477 1995 95.8595531342315 1996 95.83375517993981 1997 95.87917225066903 1998 95.71183652372864 1999 95.42059440883878 2000 95.1287815275176 2001 94.79345017231257 2002 94.4309368157436 2003 94.01652580324782 2004 93.56170716362334 2005 93.09136918136491 2006 92.64562995682816 2007 92.35210017689788 2008 91.9979971390051 2009 91.51300613933795 2010 91.07928178611317 2011 90.58424814167056 2012 90.07486806249062 2013 89.56622407811395 2014 88.92568061335292 2015 88.27586019494696 2016 87.5958829443082 2017 86.83164042849515 2018 86.08591926982768 2019 85.35665070129033 2020 84.57044965479186 2021 83.7480586732272 2022 82.93902243321408 2023 82.12274740900492