Year % of female population 1960 2.14562715731414 1961 2.18435676880385 1962 2.20804586496839 1963 2.25365468647155 1964 2.33247000790415 1965 2.41193381496417 1966 2.48395677449746 1967 2.55209380699114 1968 2.61832241133513 1969 2.66931164776274 1970 2.70576276508774 1971 2.75999514012092 1972 2.82729980284408 1973 2.88269392415904 1974 2.92613923278609 1975 2.96698331849028 1976 2.99507319091708 1977 3.02374395809663 1978 3.06676803408596 1979 3.10868979934434 1980 3.16939566885823 1981 3.24219462952126 1982 3.31578369667443 1983 3.3914368899421 1984 3.44045119378561 1985 3.45916939985797 1986 3.48977531833912 1987 3.53373551366967 1988 3.55642811830107 1989 3.59217413220355 1990 3.66535094568567 1991 3.73729450796023 1992 3.83070537395852 1993 3.92620229590089 1994 3.993294594941 1995 4.02014516367946 1996 3.97167068276757 1997 3.87293693551464 1998 3.80363665290051 1999 3.77873569926453 2000 3.76633302270701 2001 3.84060507588741 2002 3.99548791497853 2003 4.19061392528114 2004 4.40970678783688 2005 4.63625358262543 2006 4.89203891039785 2007 5.15880565933985 2008 5.44078463607414 2009 5.73294874005054 2010 6.00568280873032 2011 6.28551870631283 2012 6.57285080315394 2013 6.79575853215659 2014 6.94802040320622 2015 7.10721470906078 2016 7.30986369002898 2017 7.57590948152392 2018 7.84511418295892 2019 8.08832884231894 2020 8.30491842879574 2021 8.4746478500223 2022 8.60872574089256 2023 8.63003327361515