Year	% of female labor force (national estimate)
1975	9.84
1976	9.92
1980	12.1
1981	9.8
1982	10.8
1983	9.11
1986	7.17
1992	3.707
2002	9.7
2004	7.7
2005	7.7
2006	7.5
2007	9.9
2009	9.8
2010	9.3
2011	15.7
2012	10.8