Year % of female labor force (national estimate) 1977 11.29 1978 12.29 1979 14.93 1980 17.72 1981 14.78 1982 16.83 1983 10.21 1984 11.03 1989 10.93 1990 17.89 1991 21.22 1992 17.18 1993 22.53 1994 22.97 1995 23.91 1996 20.4 1997 19.8 1998 19.79 1999 19.26 2000 22.73 2001 22.06 2002 23.81 2003 23.09 2004 26.19 2005 24.253 2006 23.94 2007 18.42 2008 18.876 2009 22.38 2010 22.112 2011 22.441 2012 24.012 2013 24.166 2014 23.997 2015 24.814 2016 23.639 2017 23.069 2018 21.442 2019 21.665 2020 17.797 2021 16.091 2022 18.516