Year % of female labor force (national estimate) 1990 1.4 1991 7.6 1992 8.722 1993 10.39 1994 9.371 1995 8.687 1996 9.031 1997 7.861 1998 8.091 1999 6.216 2000 5.787 2001 4.877 2002 5.078 2003 5.386 2004 5.857 2005 7.427 2006 7.912 2007 7.734 2008 8.004 2009 9.741 2010 10.663 2011 10.984 2012 10.611 2013 10.136 2014 7.913 2015 7.039 2016 5.108 2017 4.571 2018 3.987 2019 3.496 2020 4.48 2021 4.237 2022 3.482 2023 4.148