Year % of female population 1960 4.77622628670769 1961 4.81220848941222 1962 4.84643330252787 1963 4.88433077884286 1964 4.93332008172878 1965 4.99551912685556 1966 5.05873982200442 1967 5.11798815919522 1968 5.17775025751854 1969 5.22980255568207 1970 5.26963372308075 1971 5.30441826120505 1972 5.34437069163552 1973 5.3872235770301 1974 5.42100851433185 1975 5.44266115280683 1976 5.45249801919705 1977 5.45260582926804 1978 5.44894783053897 1979 5.44073066783568 1980 5.40378276150551 1981 5.30728267406763 1982 5.12985025726959 1983 4.89475234022224 1984 4.74366306394361 1985 4.78957481220925 1986 4.95324618733917 1987 5.13942985124891 1988 5.31369977951462 1989 5.37756477047521 1990 5.27051291117963 1991 5.09773730061113 1992 4.95823166714952 1993 4.85962118782783 1994 4.79392693133012 1995 4.74708654478225 1996 4.70737918176862 1997 4.66644939408481 1998 4.6164158726545 1999 4.56071407521576 2000 4.51422768235362 2001 4.48422767842371 2002 4.4810130521481 2003 4.50633082973158 2004 4.53325383075353 2005 4.52856305485587 2006 4.49939686097182 2007 4.49300120301907 2008 4.54270517828544 2009 4.63818136283081 2010 4.76601687321166 2011 4.96886596641298 2012 5.24323131154814 2013 5.45847124516344 2014 5.56069341279372 2015 5.59959096313639 2016 5.54534046396653 2017 5.38257089193725 2018 5.22880829447936 2019 5.15147072769641 2020 5.1222341640875 2021 5.14543244818026 2022 5.21566365643362 2023 5.30752574200728