Year % of female population 1960 2.59450934954855 1961 2.60154805433529 1962 2.66622181556772 1963 2.70840566531005 1964 2.68277511833819 1965 2.60474362000028 1966 2.53212590738852 1967 2.47680049652621 1968 2.41854328981918 1969 2.36172118123445 1970 2.31096836581687 1971 2.26914270587593 1972 2.2321777438711 1973 2.19539055501576 1974 2.15908800196238 1975 2.18947971501401 1976 2.28231160210978 1977 2.31148705589779 1978 2.28316899711583 1979 2.2609766329427 1980 2.24526223788878 1981 2.23650350124814 1982 2.2353359504187 1983 2.24109027567731 1984 2.25207054734543 1985 2.2666559761582 1986 2.28475964966645 1987 2.3066536123197 1988 2.32992346825567 1989 2.3509320983879 1990 2.36777350128797 1991 2.37818606898484 1992 2.37975878403535 1993 2.37329252199266 1994 2.36183631851619 1995 2.34960570976399 1996 2.37587051676759 1997 2.42881414567667 1998 2.43670354454827 1999 2.41260965023676 2000 2.39781425534898 2001 2.40098651682931 2002 2.42998669200055 2003 2.49004366690199 2004 2.58185906682299 2005 2.70097885952341 2006 2.8351228923428 2007 2.971571324251 2008 3.10224035361248 2009 3.21977743065492 2010 3.32107780899392 2011 3.4072896464465 2012 3.47933967464444 2013 3.53858335084809 2014 3.5883468981067 2015 3.6336332116226 2016 3.681842732263 2017 3.74086128916426 2018 3.81716873486827 2019 3.91223404883761 2020 4.02001213344121 2021 4.1341307574846 2022 4.24896343686961 2023 4.35814933191361