Year Percent of total labor force 1994 12.373 1995 8.418 1996 10.936 1997 9.839 1998 10.626 1999 12 2000 13.767 2001 13.729 2002 9.658 2003 6.549 2004 8.383 2005 11.084 2006 12.281 2007 10.682 2008 9.361 2009 8.711 2010 7.2 2011 7.5 2012 8.1 2013 6.6 2014 5.5 2015 7.2 2016 9.7 2017 8 2018 7.5 2019 6.95 2020 6.325 2021 5.8 2022 5.175 2023 4.425 2024 3.675