Year % of female population 1960 1.73566285911111 1961 1.71232634669824 1962 1.70472759790109 1963 1.70316886709829 1964 1.69254598969465 1965 1.66966138706165 1966 1.63702926409208 1967 1.59348542563383 1968 1.54685001556138 1969 1.51069342584867 1970 1.48760372660476 1971 1.47536070627895 1972 1.47453120971357 1973 1.48129781807878 1974 1.4885493396798 1975 1.49470845360144 1976 1.46537102577609 1977 1.43583433291592 1978 1.42908989356282 1979 1.42835480380196 1980 1.43404092885738 1981 1.44905161951567 1982 1.46128316717567 1983 1.4733135152467 1984 1.47500426949357 1985 1.44290122037154 1986 1.3794143288787 1987 1.28085052524997 1988 1.17149791528313 1989 1.10290552333096 1990 1.0894377051559 1991 1.11815408271636 1992 1.18854694451564 1993 1.28722507744715 1994 1.38545661127681 1995 1.4687366352742 1996 1.5417998051912 1997 1.60723109648631 1998 1.66378253403347 1999 1.71174729494119 2000 1.75285494299047 2001 1.78551046841115 2002 1.81013605810361 2003 1.82917308286941 2004 1.84584217605318 2005 1.86231149513532 2006 1.88038801590794 2007 1.90121772252086 2008 1.92077020682268 2009 1.93338869719852 2010 1.93812134421635 2011 1.93723233470528 2012 1.93304997783569 2013 1.93115477311363 2014 1.93795895922942 2015 1.98631041669638 2016 2.08286731760743 2017 2.20116323047874 2018 2.33856458272187 2019 2.47971297092813 2020 2.58876014984363 2021 2.65747711860536 2022 2.72057234552234 2023 2.80819666129874