Year	% of female labor force (national estimate)
1973	2.6
1974	3.38
1975	4.24
1976	2
1977	5.54
1978	7.97
1979	9.7
1980	12.8
1981	15.99
1982	18.69
1983	20.52
1984	23.04
1985	25.04
1986	25.002
1987	27.923
1988	27.996
1989	25.27
1990	24.175
1991	23.206
1992	25.221
1993	28.732
1994	31.59
1995	30.528
1996	29.527
1997	27.984
1998	26.608
1999	22.805
2000	20.326
2001	15.038
2002	16.043
2003	15.683
2004	15.035
2005	11.986
2006	11.344
2007	10.698
2008	12.839
2009	18.127
2010	20.225
2011	21.812
2012	25.034
2013	26.672
2014	25.425
2015	23.548
2016	21.38
2017	19.027
2018	17.023
2019	15.995
2020	17.428
2021	16.715
2022	14.759
2023	13.872