Year % of female population ages 15+ (national estimate) 1960 11.01 1970 26.76 1979 27.13 1981 30.55 1991 37.2 1992 42.2 1993 25.23 1994 37 1996 42.95 1997 41.58 1998 41.43 2000 39.982 2001 38.568 2002 40.165 2003 39.274 2004 39.234 2005 39.779 2006 40.702 2007 40.364 2008 41.96 2009 39.02 2010 41.727 2011 43.729 2012 45.277 2013 45.15 2014 45.446 2015 48.329 2016 49.028 2017 49.207 2018 50.492 2019 52.79 2020 47.709 2021 51.333 2022 50.865 2023 52.782