Year % of working-age population 1960 76.48731926996919 1961 76.84962096726802 1962 76.50625837210308 1963 76.08818302349854 1964 75.67616175310931 1965 75.29667640861823 1966 74.90834866450912 1967 74.45798469759856 1968 73.88117032773864 1969 73.0996017970186 1970 72.04326622483431 1971 70.6603762084141 1972 68.77453695898264 1973 66.3913163022558 1974 63.803287108371855 1975 61.196882474793135 1976 58.65034957161996 1977 56.21769130077874 1978 53.936534879363364 1979 51.84340347507204 1980 49.97253664473188 1981 48.34039210691123 1982 46.93271664739523 1983 45.75515778880023 1984 44.85334471614123 1985 44.23255251380881 1986 43.86496581859187 1987 43.65469873895444 1988 43.53772321888324 1989 43.52001172848556 1990 43.56226815050345 1991 43.6144964720975 1992 43.62864664481813 1993 43.50414606150974 1994 43.232478961906594 1995 42.878330363525784 1996 42.431136837426855 1997 41.88820686678108 1998 41.26868626338937 1999 40.59065934065934 2000 39.85688441284584 2001 39.093413473578764 2002 38.28188970771476 2003 37.3948753542715 2004 36.48240523940412 2005 35.580035329873496 2006 34.85536441346379 2007 34.393727422689025 2008 34.05049713272 2009 33.7289335207049 2010 33.4073848650842 2011 33.050872922864265 2012 32.66607000795545 2013 32.31309929315403 2014 31.969102954481336 2015 31.564374711582833 2016 30.998420341434635 2017 30.210435557071524 2018 27.501900647147178 2019 25.95441041730294 2020 26.033426289530098 2021 25.584716325742956 2022 25.262165665134912 2023 25.035469496233237