Year % of working-age population 1960 80.2697561819125 1961 81.46393061138143 1962 82.90626687154781 1963 84.67072722070064 1964 86.69192326293728 1965 88.85178117048346 1966 91.09637419557369 1967 93.4048901460844 1968 95.5485869440514 1969 97.32082297083427 1970 98.52587132856773 1971 98.41471377784227 1972 96.82439315698879 1973 94.78892046427227 1974 92.74426960311388 1975 90.6004886202906 1976 88.07310932206023 1977 85.04342617550165 1978 82.71107714016934 1979 81.21241905642923 1980 79.91013025425175 1981 78.77383511544153 1982 77.40718298997467 1983 76.04115361462267 1984 75.06221597056914 1985 74.28144032482102 1986 73.55662472242783 1987 72.71810388300554 1988 71.36910844694798 1989 69.56436468828909 1990 67.56750241080039 1991 65.98096045996512 1992 64.902591349739 1993 63.58675964499185 1994 62.26765799256505 1995 61.05395983489104 1996 59.78672242550967 1997 57.87560746518561 1998 56.08124158682397 1999 54.92659242418404 2000 53.793077302195094 2001 52.74156838402648 2002 51.727075027183766 2003 50.68625309450997 2004 49.554826191814605 2005 48.59756097560975 2006 47.6697503927387 2007 46.831399364553114 2008 46.13471363269696 2009 45.336796190856724 2010 44.483430171733914 2011 43.689814966970125 2012 43.27459761163032 2013 43.18985004298131 2014 43.16450935531388 2015 43.22136538549987 2016 43.43696027633852 2017 43.74653168353956 2018 44.04251518399428 2019 44.34948470376011 2020 44.66875303036982 2021 45.02074688796681 2022 45.4635910254699 2023 45.943607739922996