Year % of female population 1960 17.540678161939958 1961 17.66264207620217 1962 17.776210803409317 1963 17.867745099548355 1964 17.931573697530716 1965 17.965556088409702 1966 17.968647342979025 1967 17.940328497486487 1968 17.890056581136964 1969 17.830332584822948 1970 17.7702386465699 1971 17.724816960425297 1972 17.70342674968963 1973 17.70602868408023 1974 17.72930202828783 1975 17.764629032489264 1976 17.79712589030965 1977 17.820856778915818 1978 17.845011201954975 1979 17.856967457710894 1980 17.817986393291747 1981 17.784002686383133 1982 17.809434793995415 1983 17.8646878641088 1984 17.92074962571769 1985 17.9356899813225 1986 17.900994664524433 1987 17.832546188121118 1988 17.732024043362003 1989 17.614504994045916 1990 17.493096591875947 1991 17.364833763860887 1992 17.255658128653984 1993 17.130498260327414 1994 16.97145812011337 1995 16.80355829681963 1996 16.624701396910318 1997 16.44485970039403 1998 16.27679760560735 1999 16.133893461253475 2000 15.99978235857468 2001 15.890185861574686 2002 15.835162796857198 2003 15.802362196677128 2004 15.752626556006314 2005 15.689467991566127 2006 15.615576590631035 2007 15.542993917337157 2008 15.491157169451881 2009 15.454792065986496 2010 15.420621870214442 2011 15.387939392260197 2012 15.343089357884972 2013 15.266609080181093 2014 15.154070674170704 2015 15.004009039445364 2016 14.830842750880182 2017 14.646290917310425 2018 14.460216224102957 2019 14.290065377587847 2020 14.13940031934596 2021 13.998781028842897 2022 13.857279781973736 2023 13.711738613959131