Year Percent of total labor force (Units) 1992 5.200 1993 5.900 1994 8.100 1995 8.300 1996 9.258 1997 10.808 1998 11.875 1999 13.033 2000 10.558 2001 8.942 2002 8.042 2003 8.233 2004 7.733 2005 7.150 2006 7.050 2007 6.025 2008 6.233 2009 8.242 2010 7.358 2011 6.508 2012 5.450 2013 5.500 2014 5.158 2015 5.575 2016 5.525 2017 5.200 2018 4.800 2019 4.600 2020 5.783 2021 4.825 2022 3.942 2023 3.167 2024 3.117 2025 3.201 2026 3.535 2027 3.435 2028 3.535 2029 3.669