Year Percent of total labor force (Units) 1983 3.850 1984 3.750 1985 3.650 1986 3.300 1987 3.071 1988 3.142 1989 3.141 1990 3.130 1991 5.850 1992 5.850 1993 4.730 1994 4.840 1995 5.370 1996 5.370 1997 6.120 1998 5.890 1999 5.890 2000 7.820 2001 7.820 2002 8.270 2003 8.270 2004 7.690 2005 7.690 2006 6.200 2007 5.200 2008 5.200 2009 5.460 2010 5.550 2011 5.950 2012 5.950 2013 5.975 2014 6.000 2015 5.900 2016 5.880 2017 5.832 2018 5.800 2019 6.900 2020 6.562 2021 6.300 2022 6.200 2023 8.500 2024 8.000 2025 7.500 2026 6.500 2027 5.500 2028 5.000 2029 6.000