Year % of working-age population 1960 75.15286954157209 1961 75.47014339587278 1962 75.61905566047848 1963 75.56982577909572 1964 75.38470160510448 1965 75.07658560274363 1966 74.6216005422207 1967 74.11191194812862 1968 73.5712583715669 1969 72.94192762668912 1970 72.1750945645647 1971 71.26967365305207 1972 70.27310790390372 1973 69.23942557537853 1974 68.14421421517368 1975 67.00816947681287 1976 65.85034976348581 1977 64.70105404004643 1978 63.60810902322515 1979 62.51211006106533 1980 61.42721247616028 1981 60.437289520745594 1982 59.52857532935833 1983 58.661934037557664 1984 57.88405948921128 1985 57.237936368772466 1986 56.716707804088195 1987 56.30490067775488 1988 56.00033136090673 1989 55.83420062064853 1990 55.78488606621583 1991 55.813753899668036 1992 55.85838205263154 1993 55.85175008294496 1994 55.79155353768211 1995 55.6463826521733 1996 55.395947271532975 1997 55.05234707216038 1998 54.5987661575345 1999 54.021954030722576 2000 53.36402785243893 2001 52.64696963260837 2002 51.867367519979666 2003 51.00780980710672 2004 50.061606144126145 2005 49.07822580875572 2006 48.118470285947254 2007 47.25508337070756 2008 46.54239976513056 2009 45.9708879343902 2010 45.501223579701595 2011 45.144894954538614 2012 44.91211108460324 2013 44.815955593335225 2014 44.83744476094432 2015 44.95059546946146 2016 45.05218633315882 2017 44.990158533801505 2018 44.86530275585257 2019 44.82651839194402 2020 44.957894927375406 2021 45.218170865783556 2022 45.66596609229971 2023 46.30220332899262