Year % of female population 1960 9.11360878120811 1961 9.16772648856447 1962 9.22920978588175 1963 9.29878118497176 1964 9.37753513313192 1965 9.46575079244024 1966 9.56549291234146 1967 9.67913496335675 1968 9.80405126742623 1969 9.934864923684 1970 10.0718840484771 1971 10.209923461647 1972 10.339405247027 1973 10.4694894794135 1974 10.6176621608568 1975 10.7842921706821 1976 10.9741572788581 1977 11.1962335655142 1978 11.4340086669079 1979 11.6553660318803 1980 11.8502370034091 1981 12.0187248381262 1982 12.1520927480307 1983 12.2634410575607 1984 12.3853439754071 1985 12.5301548366819 1986 12.688840917024 1987 12.8640813970898 1988 13.0533593949569 1989 13.2477202204436 1990 13.4494122482815 1991 13.6587166517062 1992 13.8731399843719 1993 14.0902194372393 1994 14.3014589599583 1995 14.5048338121138 1996 14.7038983085587 1997 14.9014290703226 1998 15.1000760598893 1999 15.2983286420776 2000 15.4982698819231 2001 15.7014422594282 2002 15.9015787321255 2003 16.0927208804254 2004 16.2697122881194 2005 16.4431035150117 2006 16.6101294964196 2007 16.7549636027122 2008 16.8827774634272 2009 17.000384353603 2010 17.1120361834524 2011 17.2213655431878 2012 17.3335733329817 2013 17.4355359503131 2014 17.5143045031286 2015 17.5858841572511 2016 17.6662426419236 2017 17.7639123598976 2018 17.884602449776 2019 18.0271542674726 2020 18.2012367991561 2021 18.3189020856162 2022 18.4403783336351 2023 18.6487201225159