Year % of female population 1960 1.53601200744187 1961 1.47745671670009 1962 1.43362936080249 1963 1.36960266400523 1964 1.34229725676054 1965 1.38083019633984 1966 1.49663513961076 1967 1.68638083072528 1968 1.94706845536391 1969 2.26381042377246 1970 2.60237851655537 1971 2.93556857981942 1972 3.22763219884398 1973 3.44221794068653 1974 3.58017177391488 1975 3.65505120826438 1976 3.67242854535246 1977 3.65377458053135 1978 3.62940608499479 1979 3.60778126383597 1980 3.59998631468776 1981 3.61323269061436 1982 3.61468894943009 1983 3.5598845333416 1984 3.41526518459438 1985 3.16786107094582 1986 2.8392321807394 1987 2.49635671348071 1988 2.24482344328418 1989 2.17475169060679 1990 2.32112142099424 1991 2.67253973766137 1992 3.13108059360881 1993 3.57297815374475 1994 3.95885497239031 1995 4.26876451960205 1996 4.49564917625988 1997 4.67298977781594 1998 4.83377357578003 1999 4.97186288277489 2000 5.08212294150553 2001 5.18952063110498 2002 5.29713137161926 2003 5.40247247870948 2004 5.51268031266985 2005 5.61437129173063 2006 5.69510460288852 2007 5.74647724163922 2008 5.76495866019288 2009 5.75284656920558 2010 5.71163558855391 2011 5.64654312350191 2012 5.55697633452544 2013 5.44277567960664 2014 5.32602243681315 2015 5.25057222452572 2016 5.24900766502947 2017 5.3268537638494 2018 5.50459367720604 2019 5.79986147786709 2020 6.12918749780556 2021 6.31623951418785 2022 6.45484248488637 2023 6.62640396262181