Year % of working-age population 1960 76.39292987414974 1961 80.20430814399911 1962 84.0450237425766 1963 87.59576924015803 1964 90.97170929156468 1965 94.49296936498762 1966 97.91129408768728 1967 100.9480572624574 1968 103.26235815564759 1969 104.35218443221603 1970 104.57991610496839 1971 104.65923523681518 1972 104.56440808637142 1973 104.22471419209205 1974 103.62225900167765 1975 102.67599043431642 1976 101.37000553111912 1977 99.70561976690877 1978 97.74362940599863 1979 95.72809549226983 1980 93.89505469279983 1981 92.29831973190011 1982 90.85719855694663 1983 89.5431092655074 1984 88.39618064433006 1985 87.43739052495299 1986 86.63094308733581 1987 85.85303335788079 1988 84.96284727827661 1989 83.82565553394423 1990 82.46022935915347 1991 80.98364458688638 1992 79.36779599575259 1993 77.58545031300036 1994 75.68087043939511 1995 73.74293012360074 1996 71.82654007429915 1997 69.87908324946737 1998 67.78853666703874 1999 65.52553338540751 2000 62.943119666159866 2001 60.17865425627019 2002 57.522755903274394 2003 54.96999999384173 2004 52.585038676079265 2005 50.483333235333895 2006 48.791735310427356 2007 47.62364749486986 2008 46.97538028860641 2009 46.78698954105827 2010 46.83754210172004 2011 46.87925385366021 2012 47.06649131852917 2013 47.59459682385208 2014 48.41911025963926 2015 49.53398441184289 2016 50.86693976090808 2017 52.395630186249676 2018 54.1329073718998 2019 55.93619432307775 2020 57.38685088706229 2021 58.352852807398605 2022 58.92134053811387 2023 58.98044080819448