Year	% of female labor force (national estimate)
1991	21.14827416779715
2002	20.55415513115109
2004	20.54630766989891
2005	20.390161304245456
2006	19.575195176857516
2007	16.864974048317002
2008	17.9573163208386
2009	18.949918678167027
2010	20.534448008039632
2012	19.60737462252412
2013	19.72524270232596
2014	19.959824228552478
2015	20.166872429244616
2016	20.64191024712409
2021	18.194463477867792