Year Percent of total labor force (Units) 1983 8.300 1984 7.300 1985 5.100 1986 6.100 1987 5.500 1988 4.700 1989 6.100 1990 6.600 1991 5.100 1992 5.300 1993 5.100 1994 4.400 1995 3.300 1996 8.200 1997 5.000 1998 5.800 1999 6.800 2000 7.300 2001 7.600 2002 10.800 2003 8.059 2004 7.307 2005 5.831 2006 6.653 2007 5.601 2008 5.728 2009 6.398 2010 5.674 2011 5.621 2012 4.573 2013 5.021 2014 6.038 2015 5.351 2016 5.998 2017 6.086 2018 6.236 2019 6.569 2020 7.708 2021 7.510 2022 6.808 2023 6.190 2024 5.995 2025 5.995 2026 5.995 2027 5.995 2028 5.995 2029 5.995