Year	% of male labor force (national estimate)
1970	3.74
1971	3.78
1972	4.56
1973	4.18
1974	3.6
1975	3.78
1976	4.22
1977	4.57
1978	4.7
1979	4.88
1980	4.76
1982	6.05
1983	5.604
1984	6.372
1985	6.316
1986	7.053
1987	7.474
1988	7.367
1989	7.368
1990	6.403
1991	6.804
1992	6.732
1993	7.619
1994	8.665
1995	9.073
1996	9.293
1997	9.377
1998	9.451
1999	8.853
2000	8.335
2001	7.422
2002	7.039
2003	6.887
2004	6.29
2005	6.184
2006	5.434
2007	4.891
2008	5.511
2009	6.743
2010	7.52
2011	7.54
2012	9.833
2013	11.513
2014	11.907
2015	11.361
2016	10.938
2017	10.379
2018	9.783
2019	9.134
2020	8.439
2021	8.703
2022	7.14
2023	6.777