Year % of working-age population 1960 84.0168684007211 1961 84.47084625024735 1962 84.91671906478975 1963 85.3700500242556 1964 85.7415333578952 1965 85.97809948032665 1966 86.12640920088884 1967 86.15400221218033 1968 86.03171605296352 1969 85.77053310253261 1970 85.3677346892621 1971 84.8306630515159 1972 84.16038584763272 1973 83.32785058507102 1974 82.33119882368128 1975 81.17910207561285 1976 79.87323681103585 1977 78.42664314161436 1978 76.86857795130352 1979 75.26317550610673 1980 73.67367571250814 1981 72.11850576567852 1982 70.61394746031553 1983 69.1882704721241 1984 67.8284077275287 1985 66.50687474715006 1986 65.22112606798206 1987 63.97797960898064 1988 62.8055455271716 1989 61.7300429559807 1990 60.72395432670038 1991 59.73402759266645 1992 58.76649299285719 1993 57.84543919508008 1994 56.95365302659921 1995 56.07174645760302 1996 55.18808135452188 1997 54.298405523103376 1998 53.39775273613849 1999 52.50710231145476 2000 51.65545819548936 2001 50.83816476839254 2002 50.05297790666445 2003 49.302966022849915 2004 48.60039607495733 2005 47.9389265885256 2006 47.33124864713713 2007 46.786844802945495 2008 46.28615586854795 2009 45.81730214304952 2010 45.36425871754548 2011 44.942929426399076 2012 44.56073858435795 2013 44.1819480906026 2014 43.79061519894853 2015 43.390048262035016 2016 42.96938735160415 2017 42.53200236473647 2018 42.07904599230158 2019 41.57701198648843 2020 41.071133462936956 2021 40.61149153111443 2022 40.14305969194916 2023 39.63979838051813