Year	% of female labor force (national estimate)
1988	2.53
1991	4.343
1992	4.163
1993	3.951
1994	4.999
1995	8.879
1996	7.064
1997	6.321
1998	5.079
1999	3.657
2000	3.364
2001	3.371
2002	3.82
2003	4.456
2004	5.251
2005	3.901
2006	3.882
2007	3.992
2008	4.034
2009	5.353
2010	5.185
2011	5.133
2012	4.881
2013	4.96
2014	4.857
2015	4.455
2016	3.903
2017	3.597
2018	3.409
2019	3.515
2020	4.089
2021	4.086
2022	3.307
2023	2.796