Year % of female population 1960 13.4800042758362 1961 13.6695265777134 1962 13.8834983002125 1963 14.0475452683839 1964 14.2258046667675 1965 14.4374268212047 1966 14.657658790467 1967 14.8925012515775 1968 15.0900732852418 1969 15.2650612606511 1970 15.4475232614479 1971 15.6185694033217 1972 15.7979732538943 1973 15.9871799373283 1974 16.1610130176355 1975 16.31676425093 1976 16.4458614077501 1977 16.6018002941924 1978 16.78147400791 1979 16.9442595286755 1980 17.0114555125345 1981 16.9004835988783 1982 16.6722476131039 1983 16.3962046054825 1984 16.2541566091695 1985 16.387274696744 1986 16.6432165236683 1987 16.8980664080036 1988 17.16769169713 1989 17.4215484707683 1990 17.660471808505 1991 17.8905094884353 1992 18.0897094904374 1993 18.2668796353561 1994 18.4524791465438 1995 18.6762150022894 1996 18.9063432232209 1997 19.108834965299 1998 19.261851981488 1999 19.3672547096648 2000 19.4423654710369 2001 19.4961421765786 2002 19.5402427034491 2003 19.5835608951715 2004 19.6408277949653 2005 19.650156820955 2006 19.5584871773016 2007 19.447580806092 2008 19.4098054088486 2009 19.4385006400066 2010 19.4834697367612 2011 19.6101686914435 2012 19.7977191174473 2013 19.9659867707651 2014 20.1414775237616 2015 20.2983426361503 2016 20.4407608857361 2017 20.5993710617798 2018 20.7728883205857 2019 20.9721594771533 2020 21.1431299510928 2021 21.3408848981664 2022 21.6357054792314 2023 21.9660287416564