Year % of female labor force (national estimate) 1976 1.96 1977 1.14 1978 1.76 1980 2.24 1982 3.36 1985 2.01 1986 2.56 1987 2.43 1988 2.71 1990 2.677 1991 2.979 1992 2.969 1993 3.031 1994 5.136 1996 5.886 1997 5.643 1998 6.116 1999 6.882 2000 6.706 2001 7.373 2002 7.851 2003 8.308 2004 9.177 2005 10.065 2006 9.286 2007 9.906 2008 8.101 2009 6.696 2010 6.391 2011 5.565 2012 4.784 2013 4.266 2014 3.883 2015 4.43 2016 3.866 2017 3.484 2018 4.184 2019 3.35 2020 3.772 2021 3.153 2022 3.155