Year % of female population 1960 12.7172491098264 1961 12.9449823186448 1962 13.1650438912907 1963 13.3863870340847 1964 13.6115962558452 1965 13.8468651957294 1966 14.1029113871187 1967 14.3639857253543 1968 14.6133824159657 1969 14.8650699184571 1970 15.1591934277604 1971 15.4772191610093 1972 15.794001025598 1973 16.1172126700637 1974 16.4531125467884 1975 16.7760646102443 1976 17.0743105482256 1977 17.3902536701335 1978 17.7120147697029 1979 18.0088413519786 1980 18.2642812502199 1981 18.4778543531884 1982 18.6942889741142 1983 18.9081603639465 1984 19.0990000717129 1985 19.3706527330224 1986 19.6879836405739 1987 19.9119717835639 1988 20.0460817932578 1989 20.1380249998954 1990 20.1943521815495 1991 20.198812862587 1992 20.1668267294703 1993 20.1127488382087 1994 20.0657258581187 1995 20.0337228054449 1996 19.9944901591746 1997 19.9444018916912 1998 19.8740356498188 1999 19.7731129709263 2000 19.6681020460901 2001 19.5782166772636 2002 19.4906239043605 2003 19.4265320932772 2004 19.4131826293375 2005 19.4040966669464 2006 19.3940388890197 2007 19.4454497517081 2008 19.5954041165172 2009 19.8329645029509 2010 20.1031436791982 2011 20.3770555111082 2012 20.6326071165037 2013 20.8617626305815 2014 21.0664615706673 2015 21.2137001440125 2016 21.2975720694316 2017 21.3532409892695 2018 21.4142964258342 2019 21.4827912048365 2020 21.534770668879 2021 21.6017243347541 2022 21.7316881506639 2023 21.883550043304