Year % of female population 1960 15.8438127817538 1961 15.7823923472955 1962 15.7294622182091 1963 15.6840365788812 1964 15.6477909723904 1965 15.6222315620366 1966 15.6059560341227 1967 15.5951424904493 1968 15.5854048383302 1969 15.5730223649345 1970 15.5658436895676 1971 15.5646724644541 1972 15.5622340531086 1973 15.5597548742854 1974 15.5601203698493 1975 15.569832447813 1976 15.5925400956864 1977 15.6655172677208 1978 15.8515171433215 1979 16.067607421331 1980 15.985317500086 1981 15.7814040326071 1982 15.6542444579783 1983 15.6022950986806 1984 15.5285431546258 1985 15.3919829527089 1986 15.435458092919 1987 15.835195579988 1988 16.4589172145895 1989 16.8397044833995 1990 16.8947838738928 1991 16.653602561239 1992 16.360486901781 1993 16.0002563133787 1994 15.401970040069 1995 14.7542247559498 1996 14.1398153932032 1997 13.6212418546383 1998 13.2112042753978 1999 12.9127673467767 2000 12.7036533141179 2001 12.5982506792935 2002 12.5922712197121 2003 12.6948647806364 2004 12.9325291418967 2005 13.2626793432842 2006 13.5621629819035 2007 13.7878540385533 2008 13.9449315325405 2009 13.9706686750025 2010 13.8690010756574 2011 13.6663346679835 2012 13.415604781775 2013 13.2039362485843 2014 13.1116632848032 2015 13.1513158780454 2016 13.2947272459748 2017 13.471141079145 2018 13.5958112428144 2019 13.6083957167504 2020 13.4832001148176 2021 13.2650246895397 2022 13.0053266214239 2023 12.7347180157144