Year % of working-age population 1960 83.46927975766866 1961 86.07400305708059 1962 88.66038071517524 1963 90.83043626003085 1964 92.55922475603317 1965 93.68300534297946 1966 94.18153107426565 1967 94.22299564559175 1968 93.874765269723 1969 93.18950530626495 1970 92.35578848274942 1971 91.97687670781441 1972 92.22715088511832 1973 92.56432119317336 1974 92.72750494064505 1975 93.63085908719474 1976 95.15518800013393 1977 96.2665810868635 1978 96.93295672564484 1979 97.1532629209019 1980 97.07572451660671 1981 96.80776924566045 1982 96.45534110598435 1983 96.2161486803061 1984 96.1349474150883 1985 96.22289478802023 1986 96.44857793014836 1987 96.76416124590476 1988 97.12657507233449 1989 97.4143477328449 1990 97.8193537347061 1991 98.00624026702538 1992 97.41030233946697 1993 96.17651233578138 1994 94.44794439815473 1995 92.3256897608829 1996 89.93890463728474 1997 87.43957162616806 1998 84.89464040311499 1999 82.33648277445637 2000 79.54060509881472 2001 76.51005642428514 2002 73.49024513608161 2003 70.49048853977725 2004 67.52988120333053 2005 64.63674041459763 2006 61.824904719771126 2007 59.08154204433126 2008 56.4178295889195 2009 53.859321456866404 2010 51.673535714396465 2011 49.96902153381186 2012 48.422896679456514 2013 46.91827197344689 2014 45.52068071678125 2015 44.27160357576426 2016 43.250837098131996 2017 42.439283909238426 2018 41.660014081668436 2019 40.84324803596099 2020 40.01137639094155 2021 39.168800738977296 2022 38.34638455288769 2023 37.558224278335814