Year % of female population 1960 7.55258317053346 1961 7.71769789353658 1962 7.87500179512587 1963 8.02936811684761 1964 8.17577388492274 1965 8.35108310428027 1966 8.53846428401466 1967 8.74136989916803 1968 8.99804449380153 1969 9.27775975453352 1970 9.55715493797492 1971 9.82439357287789 1972 10.0787593498164 1973 10.3017965383773 1974 10.4646962582071 1975 10.5858947457535 1976 10.6406537725517 1977 10.6624896397165 1978 10.6807721126057 1979 10.6866870413843 1980 10.6853828183851 1981 10.6667869815423 1982 10.5808186694814 1983 10.5133035083588 1984 10.5604259054481 1985 10.7095391332379 1986 10.9045716722401 1987 11.1087921414757 1988 11.3469405770435 1989 11.6018837652345 1990 11.8755770725196 1991 12.1262712615048 1992 12.308609638195 1993 12.5203839841256 1994 12.7861851315882 1995 13.0844906956637 1996 13.4089791420457 1997 13.7218069100348 1998 14.0201125798495 1999 14.3143507286882 2000 14.6365261025184 2001 14.9935271562969 2002 15.3318178917032 2003 15.6407971978471 2004 15.9175425002975 2005 16.1399518492082 2006 16.2987070951741 2007 16.5124875461454 2008 16.9944393000907 2009 17.6481263909983 2010 18.3077941396269 2011 18.9682808284213 2012 19.5627943266364 2013 20.030909777793 2014 20.4013905379435 2015 20.6818785410765 2016 20.8339667386215 2017 20.9233881701539 2018 21.0033933698773 2019 21.0616371687763 2020 21.1093311651982 2021 21.1752511655784 2022 21.4719684743266 2023 21.951505281226