Year	% of female labor force (national estimate)
1987	26.2
1989	19.7
1990	20.06
1992	23.08
1993	23.2
1994	15
1995	10.89
1996	16.77
1997	16.03
1998	17.07
1999	20.38
2009	14.33
2010	12.58
2011	12.41
2012	12.37
2013	11.01
2014	11.81
2015	11.45
2016	11.108