Year % of female population 1960 1.86603235727811 1961 1.90368642903909 1962 1.92833032283261 1963 1.93682911091304 1964 1.96543049691305 1965 2.01252014317675 1966 2.05307163812404 1967 2.09126057572063 1968 2.12687449600369 1969 2.17086429852347 1970 2.22533077339136 1971 2.28821655625107 1972 2.3634657921068 1973 2.447410144963 1974 2.54266118611752 1975 2.6617031119998 1976 2.80554302639044 1977 2.95983476932933 1978 3.11393413357556 1979 3.2722056114002 1980 3.42888944905417 1981 3.58247656162939 1982 3.7364804273208 1983 3.87582008796803 1984 4.02288734925637 1985 4.18771515126119 1986 4.34151794586579 1987 4.48647876606291 1988 4.64155415948415 1989 4.78558066796783 1990 4.89278183047144 1991 4.96896518686056 1992 5.04614411435356 1993 5.12587782282041 1994 5.19875537824339 1995 5.2341332277097 1996 5.22835700213844 1997 5.216161635662 1998 5.2048236039154 1999 5.19601432765904 2000 5.23154603922261 2001 5.3288038946892 2002 5.41414849688168 2003 5.4749656537929 2004 5.55688599238418 2005 5.6544684807279 2006 5.75821605358681 2007 5.84251966454109 2008 5.89775683569022 2009 5.95720709827817 2010 6.02181245540119 2011 6.08723636188689 2012 6.14120312395658 2013 6.17377960333971 2014 6.20996213707247 2015 6.24493263246674 2016 6.28123492425877 2017 6.32155325672359 2018 6.36299963226725 2019 6.42013079389493 2020 6.45229176940678 2021 6.51887859895459 2022 6.65264860272766 2023 6.80362830050899