Year Percent of total labor force (Units) 1985 11.058 1986 11.682 1987 11.062 1988 9.402 1989 9.129 1990 8.400 1991 10.500 1992 9.800 1993 9.275 1994 9.475 1995 9.525 1996 8.525 1997 8.675 1998 10.050 1999 9.725 2000 11.175 2001 11.125 2002 11.400 2003 11.400 2004 11.825 2005 11.350 2006 7.950 2007 7.325 2008 7.400 2009 7.475 2010 7.325 2011 7.025 2012 6.975 2013 7.075 2014 6.800 2015 6.275 2016 5.475 2017 5.725 2018 5.325 2019 5.100 2020 10.400 2021 7.783 2022 5.400 2023 4.350 2024 5.083 2025 5.183 2026 5.183 2027 5.183 2028 5.183 2029 5.183