Year	% of male labor force (national estimate)
1970	6.5
1971	7.1
1972	7.7
1973	7.8
1974	7
1981	5.1
1982	9.1
1984	9.27
1986	8.5
1987	6.7
1990	6.85
1991	7.15
1992	6.83
1993	6.47
1994	6.95
1995	7.86
1998	7.121
1999	8.019
2000	10.125
2001	11.228
2002	13.197
2003	13.308
2004	10.102
2005	9.356
2006	8.153
2007	6.712
2008	5.621
2009	5.507
2010	5.271
2011	4.84
2012	4.906
2013	4.995
2014	5.055
2015	6.358
2016	6.496
2017	6.557
2018	6.862
2019	7.206
2020	8.575
2021	7.903
2022	6.88
2023	7.696