Year % of female population 1960 8.4371563043585 1961 9.0786788526169 1962 9.57980078569697 1963 9.98843411286493 1964 10.3244370639564 1965 10.5199016319349 1966 10.6067474285025 1967 10.7286087166939 1968 10.9050252431925 1969 11.1298730580972 1970 11.3751809084307 1971 11.6227028543711 1972 11.8309391639149 1973 11.9547457199643 1974 11.9834452771315 1975 11.9243219945665 1976 11.7903196261565 1977 11.5961762588527 1978 11.368098826008 1979 11.1605019454896 1980 11.0123011197985 1981 10.9299264175654 1982 10.9083991889257 1983 10.9083420864475 1984 10.8501407074884 1985 10.7580816403004 1986 10.6962385445556 1987 10.6102043694889 1988 10.4971260466169 1989 10.3703186072198 1990 10.296976718744 1991 10.3137936264799 1992 10.4283040783192 1993 10.6665963766954 1994 10.9810685128714 1995 11.3274350881786 1996 11.6786644282612 1997 12.0177808675302 1998 12.2890541718423 1999 12.4251528101 2000 12.4716655416837 2001 12.4431152074166 2002 12.2851322137149 2003 12.0020705847269 2004 11.6323389701691 2005 11.2742474092633 2006 10.9111114627243 2007 10.5080524787227 2008 10.1092381597406 2009 9.71736793277612 2010 9.32134926381203 2011 8.96131670821536 2012 8.69733240130472 2013 8.51584279714119 2014 8.40509339526475 2015 8.37970337653061 2016 8.44081844293001 2017 8.58187363353623 2018 8.79243309539207 2019 9.07181415311253 2020 9.40861070061949 2021 9.77171126851287 2022 10.1101818389219 2023 10.3906947661413