Year % of female population 1960 42.036473616937 1961 41.7625398615198 1962 41.5499921927861 1963 41.2752194671184 1964 40.9452147446737 1965 40.5231711603153 1966 40.0033184005309 1967 39.326028393409 1968 38.5293485271985 1969 37.7438549384251 1970 36.9613305613306 1971 36.1602593019565 1972 35.2702567355524 1973 34.2441735448335 1974 33.1639156724955 1975 32.1112617848379 1976 31.0012641820422 1977 29.9046679292728 1978 28.9893617021277 1979 28.2591577687486 1980 27.7476574007333 1981 27.5224930730675 1982 27.3337758772404 1983 27.0614531981996 1984 26.8092805449127 1985 26.4773157615693 1986 26.0433550967234 1987 25.5611105201574 1988 25.1646944003904 1989 25.1094491061656 1990 25.6436678614098 1991 26.7146608188822 1992 27.0669578887328 1993 26.4776368581199 1994 25.7915550120977 1995 24.9531145766467 1996 24.0978690203345 1997 23.4363189720333 1998 22.9365043032412 1999 22.5502491648261 2000 22.175994467078 2001 21.7770994955276 2002 21.378171288795 2003 20.9606400132302 2004 20.5188534484522 2005 20.174444489416 2006 19.9988003718847 2007 19.9026394004325 2008 19.8295365891715 2009 19.7421007521259 2010 19.4678378172395 2011 18.9664121705156 2012 18.462214493404 2013 18.0555298129854 2014 17.7407495910152 2015 17.4875746659979 2016 17.2568334706516 2017 17.0225396197226 2018 16.7603757899724 2019 16.4619404842322 2020 16.0633985826674 2021 15.5593427955157 2022 15.0465595678135 2023 14.5460204535349