Year Percent of total labor force (Units) 1991 9.237 1992 9.537 1993 9.337 1994 7.387 1995 7.287 1996 7.537 1997 7.187 1998 7.387 1999 6.287 2000 8.050 2001 9.083 2002 8.479 2003 8.674 2004 7.879 2005 8.237 2006 7.075 2007 6.452 2008 5.959 2009 6.835 2010 6.520 2011 7.613 2012 8.407 2013 9.196 2014 8.538 2015 7.328 2016 7.080 2017 5.509 2018 5.656 2019 6.167 2020 5.829 2021 7.384 2022 5.293 2023 6.200 2024 6.000 2025 6.000 2026 6.000 2027 6.000 2028 6.000 2029 6.000