Year % of working-age population 1960 90.94534882144842 1961 91.4176175714003 1962 91.88780813304417 1963 92.37063808613156 1964 92.7744144193317 1965 93.04436077821379 1966 93.22982619557612 1967 93.29787174912319 1968 93.21754028586268 1969 92.99859372176641 1970 92.63908052986932 1971 92.14592063100814 1972 91.51919140255758 1973 90.72782324855152 1974 89.76849643344202 1975 88.64893783600397 1976 87.3682314765763 1977 85.93759401946937 1978 84.38554707017326 1979 82.77817347450943 1980 81.18102669313267 1981 79.61406717956994 1982 78.09557976591505 1983 76.65501032066456 1984 75.27949854313067 1985 73.94222631444359 1986 72.6412963304444 1987 71.3847570192048 1988 70.20373809824143 1989 69.12584720306643 1990 68.12627340159578 1991 67.15429165439086 1992 66.21553121476012 1993 65.3349405015912 1994 64.49575222278193 1995 63.677753210650366 1996 62.86923302484462 1997 62.06620090649591 1998 61.26334393265027 1999 60.48333887704413 2000 59.75690497174997 2001 59.08006635471084 2002 58.45085188575455 2003 57.870765261186165 2004 57.34863620000912 2005 56.876951549375974 2006 56.47093469934161 2007 56.139135942283914 2008 55.85945129319686 2009 55.61955886827958 2010 55.40245728232244 2011 55.223964759488894 2012 55.091397831697144 2013 54.965682183688514 2014 54.837670598269014 2015 54.71293785363748 2016 54.57531232088171 2017 54.434144803913874 2018 54.29630559837185 2019 54.129286273001775 2020 53.946882110290225 2021 53.78358175986712 2022 53.6170693182329 2023 53.467357050241716