Year % of female population 1960 11.6072076195014 1961 11.4071838020258 1962 11.227634737886 1963 11.1098133840697 1964 11.0585108363237 1965 11.0447509257337 1966 11.0467159640426 1967 11.0455730578904 1968 11.0449795175327 1969 11.0505681723426 1970 11.0668804491802 1971 11.1043514261557 1972 11.1626708256222 1973 11.2316738382303 1974 11.3150043888988 1975 11.4169359502297 1976 11.5358812134293 1977 11.6627642986514 1978 11.736013376321 1979 11.7601423789907 1980 11.8026231732181 1981 11.8581788494984 1982 11.902162311062 1983 11.9241148942486 1984 11.9058492149818 1985 11.8661791229742 1986 11.8189030939685 1987 11.7520919709915 1988 11.679980174093 1989 11.6354379860275 1990 11.6200797307933 1991 11.6259459456009 1992 11.6722953964845 1993 11.7214471906697 1994 11.6328373932335 1995 11.5840863588413 1996 11.7484055503119 1997 11.9729487774118 1998 12.1319144849565 1999 12.2209359427885 2000 12.2761606755255 2001 12.3035110274454 2002 12.317067422842 2003 12.3287189407086 2004 12.3490997330556 2005 12.4350741384511 2006 12.5553086823725 2007 12.6143693862221 2008 12.6163728150489 2009 12.5902826517087 2010 12.5056862844699 2011 12.3782977947917 2012 12.3002277312216 2013 12.2795267327885 2014 12.2744876053415 2015 12.2710132319519 2016 12.2747522769687 2017 12.2955052921424 2018 12.3418973345142 2019 12.4179547523209 2020 12.5049568860055 2021 12.5933469500547 2022 12.6840706910825 2023 12.755452829863