Year % of female population 1960 4.81294252769421 1961 4.79758773904404 1962 4.73193739618099 1963 4.64268348354421 1964 4.56732356391851 1965 4.51897180661852 1966 4.49573380117336 1967 4.49744406690344 1968 4.51246164049982 1969 4.52607693238513 1970 4.53292909806155 1971 4.53625524370398 1972 4.53551798448826 1973 4.53227954981494 1974 4.53051743316792 1975 4.53091599290353 1976 4.53534412670938 1977 4.54707368223017 1978 4.54940202287368 1979 4.5318689006802 1980 4.50484505765682 1981 4.47292268177443 1982 4.43766038340292 1983 4.40455187950515 1984 4.38071418101587 1985 4.36558020988013 1986 4.35295254068561 1987 4.29374591311922 1988 4.20324827669636 1989 4.13106597504615 1990 4.00932240014836 1991 3.83360823469532 1992 3.66800596062042 1993 3.54713234537272 1994 3.4552282877496 1995 3.3934244724119 1996 3.37665238564655 1997 3.37951195821739 1998 3.40938709543891 1999 3.43800021781214 2000 3.45740441060528 2001 3.48606709169481 2002 3.51189283791727 2003 3.5253156935625 2004 3.51916465570353 2005 3.49357016842414 2006 3.45246803974522 2007 3.40170117307973 2008 3.36216550601797 2009 3.33252853992421 2010 3.29950276081985 2011 3.26931041259002 2012 3.25095417803719 2013 3.25433428020432 2014 3.29085951053785 2015 3.3696849913527 2016 3.49520398184813 2017 3.66722108148343 2018 3.87723635913962 2019 4.11498304721262 2020 4.37055367914826 2021 4.62447580189808 2022 4.85473651407613 2023 5.04580589318061