Year % of female labor force (national estimate) 1998 1.4 1999 1.6 2001 3.2 2004 3.34 2005 3.3 2006 3.81 2009 5.35 2010 3.97 2011 4.54 2012 2.2 2013 3.7 2014 3.49 2015 3.15 2018 4.154 2019 3.263 2020 5.974 2021 6.061 2022 7.941 2023 4.205