Year Percent of total labor force 1980 7.326 1981 6.8 1982 6.4 1983 9 1984 8.9 1985 4.589 1986 5.3 1987 4.8 1988 4.156 1989 7.9 1990 8.3 1991 5.9 1992 9.4 1993 9.9 1994 8.8 1995 7.1 1996 7.2 1997 8.6 1998 6.9 1999 9.4 2000 7.847 2001 9.246 2002 9.42 2003 9.424 2004 9.436 2005 9.579 2006 8.542 2007 8.419 2008 8.377 2009 8.387 2010 7.88 2011 7.727 2012 6.798 2013 5.945 2014 5.938 2015 6.49 2016 6.742 2017 6.876 2018 6.7 2019 6.579 2020 6.49 2021 6.419 2022 6.366 2023 6.334 2024 6.5