Year	% of male labor force (national estimate)
1975	6.99
1976	7.82
1980	8.4
1981	7.9
1982	9.4
1983	9.34
1986	5.67
1992	3.938
2002	12.83
2004	7.6
2005	6.4
2006	7.2
2007	7.1
2009	8.8
2010	7.3
2011	11.2
2012	11.9