Year Percent of total labor force (Units) 1980 5.921 1981 8.766 1982 9.405 1983 9.231 1984 5.361 1985 6.846 1986 6.229 1987 5.577 1988 5.461 1989 3.774 1990 4.642 1991 5.500 1992 4.100 1993 4.100 1994 4.200 1995 5.200 1996 6.200 1997 5.700 1998 5.600 1999 6.022 2000 5.193 2001 6.072 2002 6.403 2003 6.668 2004 6.495 2005 6.630 2006 5.962 2007 4.597 2008 4.948 2009 7.822 2010 9.213 2011 10.492 2012 9.849 2013 8.311 2014 9.658 2015 9.604 2016 9.541 2017 9.293 2018 11.951 2019 12.417 2020 19.980 2021 13.680 2022 11.669 2023 7.297 2024 8.289 2025 9.281 2026 9.281 2027 9.281 2028 9.281 2029 9.281