Year % of female population 1960 2.04432766348734 1961 2.10580163939172 1962 2.15362218042295 1963 2.2021512708741 1964 2.2516354413896 1965 2.28798612142922 1966 2.32333278485307 1967 2.35817761407341 1968 2.38340532644366 1969 2.40686330695334 1970 2.43449008143202 1971 2.46775037899555 1972 2.50876257612933 1973 2.54834059621857 1974 2.58964095633441 1975 2.65648682380014 1976 2.73291658713579 1977 2.80016651423476 1978 2.85894341518765 1979 2.92141352962115 1980 2.96536013824961 1981 3.00727641026342 1982 3.0783696478191 1983 3.18702846217734 1984 3.31305415307897 1985 3.43767756692093 1986 3.55735510473706 1987 3.67916022736117 1988 3.79342264148369 1989 3.87034752415372 1990 3.90201924810121 1991 3.82456062437695 1992 3.58410561395188 1993 3.24593855837296 1994 2.98114977791702 1995 2.98375828211067 1996 3.24455062229917 1997 3.63299151146814 1998 4.08107896237876 1999 4.45973358426042 2000 4.62339030541187 2001 4.64063687419657 2002 4.65481988475653 2003 4.65549821183501 2004 4.64984140045577 2005 4.69057510150259 2006 4.74363536090594 2007 4.74160500101544 2008 4.71842135558941 2009 4.71412507174382 2010 4.69549301347523 2011 4.66416814322242 2012 4.67352969274634 2013 4.74043967571159 2014 4.84434135513196 2015 4.95151672644369 2016 5.0163895022161 2017 5.0131750111647 2018 4.94992136816545 2019 4.84255601196351 2020 4.69705166989363 2021 4.71082617529233 2022 4.91916509784742 2023 5.15010859848706