Year % of female labor force (national estimate) 1991 3.73 1992 2.4 1993 2 1994 2.6 1995 3 1996 3.6 1997 2.6 1998 3.3 1999 4.4 2000 4.6 2001 4.4 2002 4.5 2003 4.7 2004 4 2005 3.8 2006 3.8 2007 2.9 2008 2.8 2009 2.79 2010 2.06 2011 2.18 2012 1.65 2013 1.4 2014 1.39 2015 1.57 2016 1.5 2017 1.6 2018 1.3 2019 1.3 2020 2.2