Year Percent of total labor force (Units) 1980 8.300 1981 10.000 1982 11.500 1983 10.742 1984 10.825 1985 10.117 1986 10.050 1987 9.808 1988 8.833 1989 7.367 1990 6.558 1991 6.450 1992 7.092 1993 8.625 1994 9.750 1995 9.683 1996 9.550 1997 9.217 1998 9.342 1999 8.425 2000 6.858 2001 6.567 2002 7.525 2003 8.175 2004 8.383 2005 8.475 2006 8.267 2007 7.492 2008 6.967 2009 7.992 2010 8.383 2011 7.233 2012 7.650 2013 8.567 2014 8.650 2015 8.658 2016 7.842 2017 7.117 2018 5.975 2019 5.375 2020 5.575 2021 6.267 2022 5.558 2023 5.533 2024 5.514 2025 5.468 2026 5.444 2027 5.424 2028 5.401 2029 5.391