Year % of female labor force (national estimate) 1986 4.895 1987 4.429 1988 5.667 1989 7.104 1990 7.459 1991 9.774 1992 9.736 1993 8.964 1994 7.811 1995 6.488 1996 6.248 1997 6.861 1998 7.613 1999 6.693 2000 5.978 2001 5.382 2002 5.469 2003 5.108 2004 4.519 2005 4.145 2006 4.198 2007 3.965 2008 4.263 2009 6.143 2010 6.928 2011 6.759 2012 7.387 2013 6.423 2014 6.127 2015 5.905 2016 5.521 2017 5.241 2018 4.496 2019 4.421 2020 4.984 2021 3.888 2022 3.531 2023 3.967