Year % of working-age population 1960 88.8618029669151 1961 90.21581655713496 1962 91.15631020326637 1963 91.6709972540868 1964 91.82116041077212 1965 91.34204965149837 1966 90.32058121985787 1967 89.0694717228691 1968 87.64340041174623 1969 86.13001906893717 1970 84.52735383228534 1971 82.87411465383065 1972 81.16843974688346 1973 79.459099766147 1974 77.77222212349493 1975 76.04079902171827 1976 74.30097885230312 1977 72.54167522982047 1978 70.8333057924114 1979 69.3296404628027 1980 68.07449606323433 1981 67.10598270647799 1982 66.42115900730609 1983 65.8856172718941 1984 65.37220268391131 1985 64.79025623507304 1986 64.11592693522431 1987 63.3571223807595 1988 62.48804829621001 1989 61.56844598137402 1990 60.71692991056716 1991 60.01286454147099 1992 59.420723006984744 1993 58.8734846776851 1994 58.32463720059297 1995 57.74483431652576 1996 57.10365847392011 1997 56.35324968930221 1998 55.48110768686063 1999 54.510636450858286 2000 53.76023786148272 2001 53.150453588514665 2002 52.34451112798473 2003 51.340117091559115 2004 50.159479695012465 2005 48.85195084676761 2006 47.45848748026135 2007 46.021575860011595 2008 44.52828454039658 2009 42.9718235315952 2010 41.49145076559312 2011 40.2273590474752 2012 39.14892211998752 2013 38.1828652302997 2014 37.30678313797028 2015 36.51600120479836 2016 35.77600101096332 2017 35.08775156743182 2018 34.483923661101386 2019 33.92677609520528 2020 33.39075038962397 2021 32.90194707669615 2022 32.471153910669656 2023 32.119192742092224