Year	% of female labor force (national estimate)
1977	2.7
1978	2.7
1979	1.9
1980	2.6
1981	4.5
1982	5.3
1983	5.6
1984	6
1985	6.7
1986	6.6
1987	5.1
1988	2.8
1989	1.6
1990	1.3
1991	3.26
1992	2.7
1996	2.6
1999	0.5
2000	0.4
2001	1.45
2002	0.4
2003	0.5
2004	0.6
2005	0.9
2006	1.96
2007	1.1
2008	1
2011	2.76
2013	1.711
2014	1.26
2016	2.26