Year % of working-age population 1960 87.0421093820546 1961 87.7140009380863 1962 88.36658389702315 1963 88.82228882228883 1964 89.15815295037335 1965 89.51929622453788 1966 89.8098724009964 1967 90.00986436498151 1968 90.08055070870282 1969 89.98010364612253 1970 89.7233466777 1971 89.34874176476941 1972 88.8724437681099 1973 88.30850272432997 1974 87.68198825194347 1975 86.99730901480042 1976 86.29566909274338 1977 85.58572644672608 1978 85.27865759148192 1979 86.17461028935703 1980 86.83534360015057 1981 86.52927550123812 1982 86.31784154709919 1983 86.20542647461859 1984 86.19807926738619 1985 86.24533697182586 1986 86.33683852498511 1987 86.43155593679957 1988 86.48582963152991 1989 86.49610033726813 1990 86.54093386814769 1991 86.6299562234236 1992 86.71341508187092 1993 86.74880022920995 1994 86.63585887392473 1995 86.35224192103084 1996 85.85879780455214 1997 85.13812510740676 1998 84.24156394493211 1999 83.15875845860853 2000 81.70201916193503 2001 80.03031882135582 2002 78.38171767462293 2003 76.70934880265997 2004 75.0630519719237 2005 73.46059367943957 2006 71.92273207595504 2007 70.51366543903858 2008 69.28800108220227 2009 68.24420911371726 2010 67.8129884894131 2011 68.02295687942079 2012 68.40397967996627 2013 68.88083950354232 2014 69.42259785316483 2015 69.94462576083693 2016 70.29842729191911 2017 70.48740315988532 2018 70.57607406921946 2019 70.54083615503659 2020 70.33083039621324 2021 69.91655007272144 2022 69.26943465274601 2023 68.36704809321591