Year % of female population 1960 1.81379521581342 1961 1.85236113580679 1962 1.8918806388089 1963 1.93021596176488 1964 1.96715412603031 1965 1.99721083184125 1966 2.03257587813827 1967 2.07005802132408 1968 2.11560233789372 1969 2.16957729819736 1970 2.21825266875345 1971 2.2681769186469 1972 2.32103877473569 1973 2.36704880920818 1974 2.40972352778729 1975 2.45623676912233 1976 2.50648117548456 1977 2.56889173996738 1978 2.6366728729441 1979 2.70626980528895 1980 2.77729348805067 1981 2.83692045436944 1982 2.88535077385085 1983 2.93578129679114 1984 2.98679334116797 1985 3.02299319301107 1986 3.03939797606718 1987 3.06154511641086 1988 3.09430938713236 1989 3.12008628565601 1990 3.12665827252408 1991 3.12579667738767 1992 3.11605928519164 1993 3.07602890479214 1994 3.02650323580964 1995 3.05848470517636 1996 3.15563936815436 1997 3.23654200948026 1998 3.32851973932111 1999 3.41842046555461 2000 3.43214612980362 2001 3.39016780625391 2002 3.35240945550089 2003 3.31966628054573 2004 3.29683190857073 2005 3.29958736441069 2006 3.31658393219172 2007 3.33744173308848 2008 3.34744886662198 2009 3.34581666799973 2010 3.34016678907144 2011 3.33355035942129 2012 3.33393769246241 2013 3.35946709798296 2014 3.41580370178474 2015 3.48239139507202 2016 3.53841499124775 2017 3.58999726277188 2018 3.66834753422841 2019 3.7712040148303 2020 3.85429389117735 2021 4.07506521858995 2022 4.43510669721662 2023 4.70230641513779