Year % of female population 1960 7.61246782062041 1961 7.69322628329614 1962 7.76306466703607 1963 7.84217924504153 1964 7.92635794328037 1965 8.01772522049334 1966 8.11885547670387 1967 8.2385606926651 1968 8.38484736765242 1969 8.57098227332736 1970 8.84609520354849 1971 9.16716118360741 1972 9.4550556491886 1973 9.744044248902 1974 10.0751534339112 1975 10.3780515688428 1976 10.5678494666436 1977 10.6623466900021 1978 10.6814066039462 1979 10.626220708551 1980 10.5806723204967 1981 10.6170359241251 1982 10.6847637164872 1983 10.6890416805771 1984 10.5717719464516 1985 10.3375386380425 1986 10.0018320312341 1987 9.57504393531756 1988 9.11416904553662 1989 8.68405696531929 1990 8.32826857086092 1991 8.10136035779358 1992 8.0474307691122 1993 8.12568817314628 1994 8.25074719582697 1995 8.37436968392731 1996 8.47857204267341 1997 8.56582297123861 1998 8.6857990204155 1999 8.89353949586856 2000 9.17297235410183 2001 9.48607360828556 2002 9.79253606421615 2003 10.0375416266089 2004 10.1755949093319 2005 10.2268574358826 2006 10.1951516134845 2007 10.0467811633558 2008 9.79453371575237 2009 9.46285719119205 2010 9.04849276959232 2011 8.58111339082665 2012 8.13315930495346 2013 7.72650331147595 2014 7.36571085136818 2015 7.04863035756603 2016 6.76612518173186 2017 6.5202431509701 2018 6.42935402336299 2019 6.33012090232769 2020 6.18253578639028 2021 6.14841885509077 2022 6.12741718269745 2023 6.10766836709463