Year % of working-age population 1960 87.95716218516759 1961 88.53436344297533 1962 89.33689212458246 1963 90.4650231502748 1964 91.67814050086616 1965 92.78042543952411 1966 94.00201978329977 1967 95.05184621049813 1968 95.50078813120975 1969 95.45217761984823 1970 95.0497574728954 1971 94.28553003885305 1972 93.29952381333018 1973 92.27960597048121 1974 91.27972476457707 1975 90.32134831164136 1976 89.39429894223409 1977 88.45683453459937 1978 87.42664597092208 1979 86.29195109749578 1980 85.05810569443963 1981 83.82318869811954 1982 82.68706502611131 1983 81.60983006771629 1984 80.57226703976028 1985 79.6643854825465 1986 78.88657976412745 1987 78.02803393481629 1988 76.92376509148686 1989 75.51504050937736 1990 73.90165640876339 1991 72.17888778888828 1992 70.3884839781354 1993 68.61935398074505 1994 66.85536381686522 1995 65.1023387112103 1996 63.30471367236162 1997 61.40468434134693 1998 59.435208957100116 1999 57.3695572379613 2000 55.26101944522127 2001 53.180811362489386 2002 51.21028160788084 2003 49.46797349874744 2004 48.01927890076957 2005 46.88091982756061 2006 45.96385446552064 2007 45.198952191255835 2008 44.61354690965211 2009 44.2317223840028 2010 44.09337620003828 2011 44.059219707066646 2012 44.29005309521513 2013 44.87649461028113 2014 45.63111088911191 2015 46.510380024110404 2016 47.41331210669163 2017 48.31137165745286 2018 49.141685239010826 2019 49.86680994998144 2020 50.440557679347734 2021 50.866826806260825 2022 51.196689171379994 2023 51.51082459670603