Year Percent of total labor force (Units) 1992 7.836 1993 8.591 1994 8.497 1995 7.000 1996 6.892 1997 6.917 1998 7.367 1999 7.408 2000 6.742 2001 6.192 2002 6.342 2003 6.725 2004 6.325 2005 6.550 2006 6.000 2007 4.875 2008 4.425 2009 5.900 2010 7.250 2011 8.225 2012 8.900 2013 10.100 2014 9.750 2015 9.000 2016 8.025 2017 6.575 2018 5.125 2019 4.450 2020 5.000 2021 4.725 2022 4.000 2023 3.675 2024 3.721 2025 3.778 2026 3.840 2027 3.889 2028 3.923 2029 4.010