Year	% of female labor force (national estimate)
1970	9.6
1971	8.6
1972	7.6
1973	11.4
1974	10.2
1981	9
1982	15.5
1984	17.56
1986	13.9
1987	12.6
1990	10.92
1991	11.57
1992	11.84
1993	10.9
1994	11.88
1995	12.91
1998	12.217
1999	13.563
2000	15.768
2001	19.6
2002	20.824
2003	20.635
2004	16.488
2005	15.114
2006	14.112
2007	12.623
2008	10.816
2009	10.367
2010	9.396
2011	8.069
2012	8.257
2013	8.202
2014	8.344
2015	8.846
2016	9.444
2017	9.472
2018	10.072
2019	10.521
2020	12.361
2021	10.912
2022	9.05
2023	11.476