Year % of female population 1960 2.81137187871994 1961 2.79952151751168 1962 2.78742153950797 1963 2.77507357553493 1964 2.76239634948595 1965 2.74930012961749 1966 2.73604619118076 1967 2.72255562351386 1968 2.70860927713289 1969 2.69387472062635 1970 2.6779472583802 1971 2.66080383425894 1972 2.6426283063742 1973 2.6234399753985 1974 2.60402650129815 1975 2.58433231704941 1976 2.56375509470358 1977 2.54230971460952 1978 2.51953526489897 1979 2.4960418263946 1980 2.47054052169878 1981 2.44167050283152 1982 2.41162255914565 1983 2.38213708982809 1984 2.35005391328796 1985 2.31598930670926 1986 2.27988400872253 1987 2.2401515653746 1988 2.20004043128756 1989 2.17034176262619 1990 2.15646774216775 1991 2.16321745616666 1992 2.19336599865141 1993 2.22350805516163 1994 2.23103504222454 1995 2.21772267009545 1996 2.18849003987096 1997 2.1447694883865 1998 2.09671025867888 1999 2.05837193714158 2000 2.0355978924852 2001 2.02598688837747 2002 2.02896310822522 2003 2.04050114506306 2004 2.06157415267569 2005 2.10888044715995 2006 2.16881663503569 2007 2.2156561671253 2008 2.25099062391448 2009 2.27359866154677 2010 2.26841613117767 2011 2.24516514573149 2012 2.22325555461372 2013 2.20328144117785 2014 2.18447680617106 2015 2.16661019255293 2016 2.14971152936991 2017 2.1342087498168 2018 2.11993866473431 2019 2.10671354456199 2020 2.09227634677773 2021 2.07537561750484 2022 2.05871315655752 2023 2.04537851454182