Year	% of male labor force (national estimate)
1977	5.44
1979	6.45
1981	7.5
1982	8.86
1983	12.49
1984	13.85
1985	13.62
1986	11.33
1987	9.83
1988	7.76
1989	10.05
1990	13.94
1994	8.05
1995	8.95
1996	10.33
2001	10.14
2002	14.43
2003	14.41
2005	10.047
2006	8.115
2007	7.048
2008	6.262
2009	6.183
2010	7.215
2011	6.704
2012	6.268
2016	5.257
2017	4.502
2020	7.28