Year % of female population ages 15+ (national estimate) 1960 20.18977751666576 1970 21.533585006983557 1980 29.1966511484605 1988 36.08416610661698 1989 41.11793498517283 1990 37.37943970725636 1991 40.58709079733843 1992 44.44133754509476 1993 44.856153563494 1995 45.49121628475059 1996 44.591341195251154 1997 47.54025901145011 1998 47.61140769999106 1999 47.872251234866276 2001 49.53222102327194 2002 50.084035824610666 2003 50.13091387637214 2004 50.678615612999046 2005 51.49511891924299 2006 51.46657705529118 2007 51.05713480922885 2008 51.48246430288194 2009 52.313528928614915 2011 50.971609663689804 2012 51.09367034337065 2013 51.170092122394955 2014 50.61891300267375 2015 51.0146935676076 2016 51.206692451031564 2017 51.63839253885503 2018 51.97247847013914 2019 52.60498101714656 2020 48.45445025627496 2021 50.848579654767626 2022 51.943516534845436 2023 51.87504073247173