Year % of working-age population 1960 81.0437094673478 1961 81.48316666611314 1962 82.19422225419727 1963 83.57013950094755 1964 85.54958166815216 1965 87.43111099888262 1966 89.09275392090036 1967 90.73378489012084 1968 92.35648990653472 1969 93.9646550828721 1970 95.55841300665087 1971 97.13485991980698 1972 98.72437165831684 1973 100.32829164615991 1974 101.11580731470724 1975 101.1164706243038 1976 100.9556648564552 1977 100.58499440711999 1978 100.21211210574457 1979 100.01038096048799 1980 100.09144560756265 1981 100.34569851215534 1982 100.65521812399962 1983 101.05247346284798 1984 101.56240601027673 1985 100.92915387310771 1986 98.80793497977415 1987 96.1020059725162 1988 93.00700132084691 1989 89.71490244914902 1990 86.36492731920167 1991 83.03027669129364 1992 79.73735078292282 1993 76.55142089489664 1994 74.7553134854007 1995 73.94965989444559 1996 72.728480641155 1997 71.18261881112265 1998 69.42248996163013 1999 67.56149693873854 2000 65.65040090278205 2001 63.7034652298181 2002 61.751850752716834 2003 59.79003080012644 2004 57.31734281838242 2005 54.402214382312444 2006 51.622392504173 2007 49.12944392236135 2008 47.01552214637068 2009 45.34284276463888 2010 41.73105901145292 2011 37.30819639421853 2012 34.22076630353905 2013 32.67941728794022 2014 32.72577278087233 2015 32.97925292247993 2016 32.786997105180845 2017 33.1126051021105 2018 34.34850934012927 2019 36.469279825282094 2020 39.66440450489582 2021 41.96589718908547 2022 42.420758714611864 2023 42.467034215948544