Year % of working-age population 1960 92.33109619686802 1961 93.52499240022583 1962 94.74771318973148 1963 96.09115171422707 1964 97.48485699386256 1965 98.18444479150398 1966 98.25777373783282 1967 98.48033263421276 1968 98.80828830118456 1969 99.13370211877674 1970 99.46572887431103 1971 100.15504898888265 1972 101.08836067691513 1973 101.82587819054841 1974 102.35846144347718 1975 102.03172500978238 1976 100.99909173478656 1977 100.01425719988595 1978 99.44861599844836 1979 99.225827262708 1980 98.92324538533737 1981 98.51112234580384 1982 97.991082365623 1983 97.33963025369627 1984 96.54213767116993 1985 95.58431163287086 1986 94.43978404422361 1987 93.2036208511081 1988 92.45669131800223 1989 92.10891914420672 1990 91.59056464461976 1991 90.86226884847103 1992 90.39283533482597 1993 90.16105312242189 1994 89.42239083900385 1995 87.73801623360049 1996 85.5229004437746 1997 83.35148155480763 1998 81.20394918755387 1999 78.96636929593735 2000 76.91430562374293 2001 75.30771399041623 2002 73.99248050212846 2003 72.88007174666006 2004 71.7416431642702 2005 70.47913209170815 2006 69.10847067842086 2007 67.59031167281239 2008 66.10332655899028 2009 64.80474240664915 2010 63.28673982000031 2011 62.08010335917312 2012 61.3533700076032 2013 60.52884402205241 2014 59.80534423874646 2015 59.18503868303182 2016 58.7914945251784 2017 58.597710723979944 2018 58.38711519789822 2019 58.25826252522095 2020 58.01372855793762 2021 57.676065171640026 2022 57.39377395428351 2023 57.03013205772927