Year % of working-age population 1960 79.7174694462446 1961 80.08104407625446 1962 80.73834797279257 1963 81.59879082020055 1964 82.69255503669835 1965 83.96303566109536 1966 85.23486088778614 1967 86.34366588941882 1968 87.26956186795816 1969 87.9959074075402 1970 88.55185559296397 1971 89.0058280654562 1972 89.36114357358444 1973 89.58121198680715 1974 89.64736299841437 1975 89.53720504077107 1976 89.27152844385166 1977 88.93400548481787 1978 88.58765893393182 1979 88.01657391090434 1980 86.8632238143271 1981 85.60379840441026 1982 84.99649925435382 1983 85.17361500643449 1984 86.00987802428988 1985 86.7480638321294 1986 87.18604879034496 1987 87.63655613546393 1988 88.12225072387659 1989 88.73654225810434 1990 89.36013232461204 1991 89.92830484950831 1992 91.05414083152698 1993 91.95028984893021 1994 92.0935297775714 1995 91.88184858718688 1996 91.20019510848103 1997 90.31376274687754 1998 89.22814779785116 1999 88.0424282624885 2000 86.50277417727493 2001 84.86640007301874 2002 83.7950087533035 2003 82.9128107390195 2004 81.81032104787431 2005 80.64328956994848 2006 79.46501039202984 2007 78.32194865053425 2008 77.28956389609654 2009 76.29717684682767 2010 75.35269514148196 2011 74.60236727477711 2012 74.15827212095846 2013 73.91779480525922 2014 73.66670586680657 2015 73.40754716677164 2016 73.16398033397444 2017 72.74310135577525 2018 72.13335614746255 2019 71.50674864418798 2020 70.7841517220059 2021 69.95678921217596 2022 69.03096221848114 2023 68.0412783185132