Year % of female population 1960 4.85889429387619 1961 4.92869176764559 1962 5.01549082614226 1963 5.12361025519918 1964 5.24812134882069 1965 5.38494537834048 1966 5.53128015467228 1967 5.67070623113186 1968 5.76500851860484 1969 5.78066002574244 1970 5.66788636934517 1971 5.38924332875045 1972 4.8952805666378 1973 4.27026540902932 1974 3.87327998399408 1975 3.82991937622464 1976 4.06707256062691 1977 4.5944642000905 1978 5.26440072651952 1979 5.68506269320952 1980 5.83584008442802 1981 5.9109119085508 1982 5.92106489110162 1983 5.94829441123274 1984 5.97042347196355 1985 5.99709750203324 1986 6.02444309443064 1987 6.06846705247389 1988 6.08520817381694 1989 6.04952880549144 1990 6.01125220720222 1991 6.01484701350461 1992 6.03339479525353 1993 6.04651658151894 1994 6.0878353418233 1995 6.06011482461195 1996 5.90635318593754 1997 5.66181478829212 1998 5.39516266524815 1999 5.14664241633439 2000 4.96115342502468 2001 4.89913084783198 2002 4.97885027847036 2003 5.17613566960755 2004 5.51674590389215 2005 5.9692416508631 2006 6.36556211255179 2007 6.67062709658648 2008 6.91570645725985 2009 7.03053651967477 2010 7.11881602088545 2011 7.22862847156635 2012 7.28527625081739 2013 7.27497163976913 2014 7.17081525266496 2015 6.92447713872714 2016 6.59429853268116 2017 6.25479601691948 2018 5.91466810319596 2019 5.60871136738321 2020 5.36509710405131 2021 5.2423576892078 2022 5.45742236348415 2023 6.13515958071189