Year Percent of total labor force (Units) 1991 6.078 1992 6.428 1993 6.022 1994 5.058 1995 5.983 1996 7.169 1997 6.126 1998 3.250 1999 4.793 2000 6.923 2001 6.489 2002 8.131 2003 11.400 2004 9.500 2005 8.800 2006 9.300 2007 5.710 2008 6.900 2009 10.300 2010 10.600 2011 8.879 2012 9.607 2013 7.599 2014 7.451 2015 7.298 2016 7.694 2017 8.923 2018 7.283 2019 5.200 2020 8.600 2021 8.800 2022 6.600 2023 5.691 2024 6.728 2025 7.645 2026 7.791 2027 7.811 2028 7.785 2029 7.759