Year % of male labor force (national estimate) 1979 3.27 1980 3.18 1981 3.2 1982 3.21 1983 4.54 1984 4.41 1985 4.21 1986 4.18 1987 3.34 1988 2.92 1989 2.74 1990 2.81 1991 4.19 1992 3.79 1993 3.36 1994 3.41 1995 3.71 1996 3.61 1997 3.91 1998 4.09 1999 3.85 2000 5.54 2001 5.31 2002 6.24 2003 6 2004 6.22 2005 5.96 2006 0.642 2007 0.434 2008 0.396 2009 0.58 2010 0.657 2011 0.831 2012 3.637 2013 2.822 2014 1.773 2015 2.796 2016 2.152 2018 3.955 2019 4.408 2021 5.489