Year % female 1972 28.2512893676758 1973 28.5989303588867 1974 28.6895408630371 1975 28.3891696929932 1976 29.0903701782227 1977 29.3075103759766 1978 29.0891094207764 1979 28.2620792388916 1980 28.1190605163574 1981 27.7420997619629 1982 27.7513694763184 1983 28.2331504821777 1984 27.8802604675293 1985 28.1021099090576 1986 27.6034107208252 1987 27.4881801605225 1988 27.7932205200195 1989 27.2129898071289 1990 27.1751899719238 1991 26.6728897094727 1992 27.377649307251 1993 28.017370223999 1994 28.736499786377 1995 29.2562007904053 1996 29.679220199585 1997 29.2456207275391 1998 28.7552604675293 1999 28.0905303955078 2000 28.0451393127441 2001 28.7117500305176 2002 28.4684391021729 2003 28.3353595733643 2004 28.3649597167969 2005 29.4227695465088 2006 29.9179592132568 2007 31.0403995513916 2008 29.5909690856934 2009 30.4136905670166 2010 30.7016506195068 2011 30.9709091186523 2012 32.3715209960938 2013 33.5227012634277 2014 34.9394187927246 2015 35.5714988708496 2016 35.6987915039062 2017 37.0421905517578 2018 37.9882583618164 2019 38.4398384094238 2020 39.2366409301758 2021 39.4156188964844 2022 39.9035682678223