Year % of female population 1960 2.04051081931207 1961 2.08265118012264 1962 2.14657496962606 1963 2.20579918211085 1964 2.23478242066797 1965 2.21265171086543 1966 2.13945080631081 1967 2.03663624284131 1968 1.93290474968101 1969 1.85387301484242 1970 1.8198280368842 1971 1.83517240482967 1972 1.88691350250062 1973 1.95781025478116 1974 2.03039368232757 1975 2.08897440016928 1976 2.12387612081658 1977 2.13433356699079 1978 2.12177953999872 1979 2.08950972903694 1980 2.04840819193832 1981 2.01018304088822 1982 1.98569598044165 1983 1.98624072066732 1984 2.01973626884313 1985 2.08207558953488 1986 2.15857220813405 1987 2.23266767371026 1988 2.29140918541381 1989 2.32645559843637 1990 2.34290365062111 1991 2.35541102830605 1992 2.37602628967009 1993 2.4086318367696 1994 2.45189352749279 1995 2.49953948307433 1996 2.54483544687972 1997 2.58533158922277 1998 2.62356064809745 1999 2.66859607793633 2000 2.7331530407391 2001 2.8308321750113 2002 2.96590181128573 2003 3.1256236264177 2004 3.2920146027738 2005 3.44162571094346 2006 3.55230807810752 2007 3.61966709254272 2008 3.65284453161655 2009 3.66199529733419 2010 3.67380126830996 2011 3.7164435415838 2012 3.80532277724893 2013 3.9508876370878 2014 4.15060000187843 2015 4.38021616922409 2016 4.59645961881065 2017 4.76656659800074 2018 4.91156870993534 2019 5.07511855507045 2020 5.25852856240207 2021 5.46048832724995 2022 5.73071745849004 2023 6.02069564666861