Year % of female population 1960 8.34318858358018 1961 8.92985482248095 1962 9.44061339469109 1963 9.90535052034019 1964 10.2932822170257 1965 10.6416751032228 1966 11.05809188465 1967 11.4536822164853 1968 11.8143218575534 1969 12.1408415378064 1970 12.4345188316229 1971 12.683575798472 1972 12.8652660918298 1973 12.9635230815021 1974 12.9698334898603 1975 12.8860105659811 1976 12.7321083732587 1977 12.5390344338538 1978 12.3413236846073 1979 12.1726463101434 1980 12.0472545014757 1981 11.9541378494228 1982 11.8748769980976 1983 11.7987883324896 1984 11.7268395128666 1985 11.6781611747197 1986 11.6158443240636 1987 11.484486098782 1988 11.3210969952222 1989 11.2237167294712 1990 11.1991766580527 1991 11.2094524309504 1992 11.3262134874303 1993 11.5721362235498 1994 11.8519867421661 1995 12.2212449448371 1996 12.7153509227622 1997 13.1920921620482 1998 13.5365765309329 1999 13.7355295869108 2000 13.8059483575904 2001 13.7147756214162 2002 13.4827743537465 2003 13.1948916417596 2004 12.9303721028092 2005 12.68919213311 2006 12.4173908547742 2007 12.1410720925249 2008 11.9199915670209 2009 11.6679617025286 2010 11.3606331820324 2011 11.109278670429 2012 10.9111930234604 2013 10.6808096882309 2014 10.4512527756851 2015 10.2602320430066 2016 10.102132929305 2017 10.0163901781475 2018 10.0294060904069 2019 10.1358255755176 2020 10.3193410404563 2021 10.5416871992751 2022 10.7571012053871 2023 10.953390755552