Year	% of male labor force (national estimate)
1973	2.45
1974	3.94
1975	5.02
1976	3.3
1977	5.06
1978	6.56
1979	8.17
1980	10.83
1981	13.43
1982	14.9
1983	16.18
1984	19.05
1985	20.16
1986	19.595
1987	17.023
1988	15.622
1989	13.137
1990	11.985
1991	11.954
1992	13.473
1993	18.389
1994	19.8
1995	17.865
1996	17.567
1997	16.101
1998	13.647
1999	10.769
2000	9.478
2001	7.346
2002	7.858
2003	8.273
2004	8.327
2005	7.132
2006	6.349
2007	6.41
2008	10.055
2009	17.645
2010	19.567
2011	21.044
2012	24.583
2013	25.601
2014	23.598
2015	20.774
2016	18.12
2017	15.657
2018	13.719
2019	12.448
2020	13.868
2021	13.051
2022	11.269
2023	10.665