Year % of female population ages 15+ (national estimate) 1960 20.188283527568508 1970 21.620773944194035 1980 29.17852209540227 1989 41.109048613605 1990 37.42385785840801 1991 40.66393080174383 1992 44.56145770177707 1993 44.94853061662385 1995 45.60082723560867 1996 44.680642493625434 1997 47.65596266327288 1998 47.72767200486585 1999 47.971927738314065 2001 49.51707553081824 2002 50.189711170564756 2003 50.248193230008035 2004 51.129689912743345 2005 51.60943447290087 2006 51.897811828527324 2007 51.408741721374945 2008 51.844553126815306 2009 52.5336369224431 2011 51.297345689373834 2012 51.06882979409523 2013 51.01361899707749 2014 50.61546057089102 2015 51.160285468812575 2016 51.206692451031586 2017 51.63839253885505 2018 51.97242027811427 2019 52.60498101714656 2020 48.45285207365061 2021 50.848579654767626 2022 51.94351653484544 2023 51.87504073247173