Year % of female labor force (national estimate) 1987 4.89 1990 11.5 1991 7.33 1992 12.5 1993 12.25 1996 8.07 1997 5.566 1998 5.368 1999 4.459 2000 4.014 2001 4.867 2002 4.909 2003 4.066 2004 5.254 2005 5.031 2006 4.871 2007 4.605 2008 4.622 2009 4.2 2010 4.16 2011 3.82 2012 3.722 2013 3.957 2014 3.406 2015 3.347 2016 3.977 2017 3.914 2018 3.88 2019 3.739 2020 6.992 2021 5.557 2022 5.248 2023 5.798