Year % of female population 1960 2.25539914423424 1961 2.2454027432527 1962 2.23160936627946 1963 2.21508998856137 1964 2.19963121529749 1965 2.18657861672508 1966 2.17459024269067 1967 2.16366528806039 1968 2.15323168844779 1969 2.14272911240444 1970 2.13171325886865 1971 2.11938828357293 1972 2.10577243740937 1973 2.0914578402358 1974 2.07693971271183 1975 2.06180147233982 1976 2.04597232060548 1977 2.02947996711326 1978 2.01217031608374 1979 1.99322350977102 1980 1.97239412215319 1981 1.95042300000199 1982 1.92695501511193 1983 1.90246034423615 1984 1.87776919398499 1985 1.8525197993065 1986 1.82675230715841 1987 1.80115270145617 1988 1.77646987887342 1989 1.75286844800211 1990 1.73017021036711 1991 1.70905037762405 1992 1.68996939766721 1993 1.67290976100533 1994 1.65757304440048 1995 1.64480186834552 1996 1.63765333087172 1997 1.63606117895983 1998 1.63681221842501 1999 1.63687642888818 2000 1.63652005001753 2001 1.63535588776022 2002 1.63086906753345 2003 1.62457686720335 2004 1.62032597993934 2005 1.61869482320057 2006 1.62205341735063 2007 1.6308948893199 2008 1.63206239586666 2009 1.61972325287329 2010 1.59398996388656 2011 1.5570883247779 2012 1.51812524236924 2013 1.48856489185426 2014 1.47223573055872 2015 1.46777568383684 2016 1.47200603410289 2017 1.47935610642257 2018 1.4900349934627 2019 1.50467709686962 2020 1.52210103240502 2021 1.54162183719887 2022 1.56302155458837 2023 1.58688054666989