Year % of working-age population 1960 72.7553332839266 1961 73.56812582492235 1962 74.39924632360842 1963 75.24022078920946 1964 75.83831400557425 1965 76.09909534690934 1966 76.22305644027018 1967 76.24559218644266 1968 76.1979328246045 1969 76.09487610679655 1970 75.90019129058518 1971 75.70056845165331 1972 75.49997305186555 1973 75.2485947497094 1974 74.98636836278394 1975 74.65573378313768 1976 74.27583831554776 1977 73.8621382899719 1978 73.4024097002336 1979 72.9532099504716 1980 72.51509462165879 1981 72.10682370621888 1982 71.7461019226717 1983 71.41739877588437 1984 71.1385532584759 1985 70.84335692783488 1986 70.49625268458988 1987 70.0987219104805 1988 69.63602735413134 1989 69.14130720293471 1990 68.60876833895878 1991 68.04391233005981 1992 67.5346454281887 1993 67.01478479081715 1994 66.3887775147818 1995 65.66793830639571 1996 64.84685226328132 1997 63.97064016533939 1998 63.06497053224636 1999 62.12710418773298 2000 61.15490286633089 2001 60.19178311328628 2002 59.307994685535135 2003 58.444131139735156 2004 57.52095155734889 2005 56.57099233507845 2006 55.61235630632465 2007 54.664873113719295 2008 53.73275460118509 2009 52.78592481324159 2010 51.81797559159099 2011 50.8433792693618 2012 49.88543181063793 2013 48.94757299850304 2014 48.003223869990315 2015 47.0560900152792 2016 46.10228241309769 2017 45.13125326336008 2018 44.19402959658124 2019 43.3019177992612 2020 42.4274389881419 2021 41.62625254405836 2022 40.897569941504685 2023 40.176723787102155