Year % of female population 1960 3.87433283098478 1961 3.89382427767032 1962 3.91045514163595 1963 3.92290117523291 1964 3.94361740983713 1965 3.97598995826673 1966 4.00977912518397 1967 4.04823868104095 1968 4.09367551362059 1969 4.14837412598379 1970 4.21651448404216 1971 4.28954202110894 1972 4.35921220202457 1973 4.42941313587504 1974 4.49825391865089 1975 4.56060153902549 1976 4.61561904324298 1977 4.67151634143816 1978 4.72678785607469 1979 4.76636980612156 1980 4.78862454106873 1981 4.79797026360356 1982 4.79869246252741 1983 4.79869357320507 1984 4.79817090113115 1985 4.77112061372449 1986 4.68764281232499 1987 4.52981297935476 1988 4.32069500326791 1989 4.18857655641201 1990 4.235257237591 1991 4.3876217731617 1992 4.55790241162589 1993 4.71505696005726 1994 4.77758397182472 1995 4.69334958079591 1996 4.54698237064633 1997 4.42609389883111 1998 4.34074285043995 1999 4.28567263716161 2000 4.24987253734445 2001 4.22080583157209 2002 4.18896322417984 2003 4.14654836032473 2004 4.09677293455369 2005 4.05552265984464 2006 4.02815101818035 2007 4.02246955630193 2008 4.0422712654 2009 4.06553290343394 2010 4.06215540914414 2011 4.03927849350307 2012 4.04147562841903 2013 4.09863915023735 2014 4.19950278879384 2015 4.32963115027704 2016 4.52854220173624 2017 4.79487140773342 2018 5.00724823060435 2019 5.11474712717322 2020 5.16230830655499 2021 5.12231572491343 2022 4.98411004641541 2023 4.85598408278317