Year Percent of total labor force 1994 4.114 1995 5.742 1996 7.815 1997 5.747 1998 5.874 1999 7.196 2000 7.544 2001 7.839 2002 12.55 2003 9.903 2004 8.53 2005 8.117 2006 8.267 2007 8.153 2008 8.219 2009 8.417 2010 8.644 2011 8.53 2012 8.427 2013 8.332 2014 8.046 2015 7.554 2016 7.211 2017 6.891 2018 6.799 2019 6.799 2020 6.799 2021 6.799 2022 6.799 2023 6.799 2024 6.799