Year % of working-age population 1960 88.40109216778104 1961 90.35292123882557 1962 92.53619101334837 1963 94.92662646386893 1964 97.39378720991454 1965 99.7950330335111 1966 102.05416593443071 1967 104.03557425647891 1968 105.64876643660102 1969 106.59252360342593 1970 106.32954261880147 1971 105.44221245727836 1972 104.70952511290544 1973 104.03806065496603 1974 103.35598207938634 1975 102.17254255370737 1976 100.51539912005028 1977 98.80128880541176 1978 97.14569850976666 1979 95.65863511758765 1980 94.20174297424707 1981 92.41967532204215 1982 90.65424224998692 1983 89.42684364659796 1984 88.80359390812825 1985 88.4956178368487 1986 88.05789683750851 1987 87.4550987256046 1988 86.79062301441327 1989 86.1111714726526 1990 85.38347457627118 1991 84.76943755169562 1992 83.97528300555427 1993 82.81705056923484 1994 81.4759466199623 1995 79.91871114871078 1996 78.16047277898996 1997 76.29541997633936 1998 74.45442875481386 1999 72.71835359918421 2000 71.13615983755382 2001 69.79986748078116 2002 68.66475110236382 2003 67.57690453071227 2004 66.51004660401864 2005 65.41932157194947 2006 64.25248304191872 2007 63.009851710635964 2008 61.70477506593037 2009 60.31045308939073 2010 58.52883437469566 2011 56.52608504173904 2012 54.683994776694114 2013 52.93741988328991 2014 51.26481593511236 2015 49.68302867297857 2016 48.21113651897292 2017 46.884039240303785 2018 45.715872628975355 2019 44.52400896074803 2020 43.32629299499043 2021 42.263913730009655 2022 41.29438212152602 2023 40.388339710692684