Year % of working-age population 1960 85.77039491241888 1961 87.00467018479668 1962 88.51363299228339 1963 90.37646564464488 1964 92.29303573964278 1965 95.1065924834396 1966 99.39945171316712 1967 104.13473556630095 1968 108.74820583014848 1969 113.1026616926521 1970 117.11649625341025 1971 120.72740224433393 1972 123.31462388234237 1973 122.89587746943849 1974 120.56089331652056 1975 117.97951687366013 1976 114.76423421050758 1977 111.1473941814545 1978 107.18688740860485 1979 102.96355698890332 1980 98.69258208834107 1981 94.69953102164207 1982 91.24344724147241 1983 88.36913085126695 1984 85.99312077157559 1985 84.1143450530483 1986 82.71674627436913 1987 81.62027121826296 1988 80.45653880032361 1989 79.01094209510022 1990 77.37499031906276 1991 75.58953508498072 1992 73.66553437622831 1993 71.62569273782677 1994 69.51867946759701 1995 67.50052464857393 1996 65.67882876983779 1997 63.9880058365173 1998 62.35367360176273 1999 60.69359423866535 2000 59.114533817003704 2001 57.75321872820057 2002 56.54416509214841 2003 55.489371586439376 2004 54.65790458331611 2005 54.0223868567248 2006 53.28802125421529 2007 52.53070538837788 2008 51.90683210877717 2009 51.40168517393532 2010 51.1023720462888 2011 54.66181196893933 2012 58.647707800667035 2013 57.85733915893761 2014 57.1985707730303 2015 56.752267910646495 2016 56.20444489974334 2017 55.390650923267245 2018 54.32240352279841 2019 53.16333185122768 2020 51.98685601461133 2021 50.78086050579246 2022 49.606030146780924 2023 48.539519141175965