Year % of female population 1960 4.44851275258807 1961 4.46110108394962 1962 4.45630817717811 1963 4.44920841813207 1964 4.47173945629421 1965 4.52785755141924 1966 4.62043493078135 1967 4.75871560603524 1968 4.91088129759693 1969 5.01762737946318 1970 5.06260794088925 1971 5.04384987703361 1972 4.94917983153372 1973 4.8155396424183 1974 4.71543319240343 1975 4.67736372518169 1976 4.69110905674681 1977 4.76446921882838 1978 4.8838133856774 1979 5.00554302406659 1980 5.10916530746559 1981 5.1990995865489 1982 5.27394380768252 1983 5.33122840227999 1984 5.37021881566352 1985 5.39175770497593 1986 5.39371133502752 1987 5.37514732171993 1988 5.33908493708482 1989 5.29321455462875 1990 5.24460440444887 1991 5.19261678205539 1992 5.1377728082189 1993 5.08142633898257 1994 5.02374610897199 1995 4.96707183527121 1996 4.91414992084744 1997 4.86570979994693 1998 4.82356636039289 1999 4.79100107717824 2000 4.7722153583109 2001 4.77092749721288 2002 4.78941699997863 2003 4.80984601435517 2004 4.81283438048677 2005 4.81884792923121 2006 4.84106966989325 2007 4.87016217147521 2008 4.92125397420331 2009 5.00707921005083 2010 5.0990435584236 2011 5.18278682447442 2012 5.26092222922221 2013 5.32740259502673 2014 5.38253518011289 2015 5.43427317115041 2016 5.48814431353342 2017 5.54760354321554 2018 5.61774858228725 2019 5.68796641988762 2020 5.74160745448779 2021 5.77299905816723 2022 5.77464058333 2023 5.74393720240145