Year Percent of total labor force (Units) 1994 7.536 1995 10.983 1996 12.959 1997 13.008 1998 13.116 1999 13.465 2000 12.753 2001 10.433 2002 9.318 2003 8.754 2004 8.380 2005 8.088 2006 7.788 2007 7.257 2008 6.627 2009 6.554 2010 5.762 2011 5.388 2012 5.283 2013 5.192 2014 5.136 2015 5.037 2016 4.930 2017 4.872 2018 4.828 2019 4.794 2020 4.925 2021 4.900 2022 4.875 2023 4.775 2024 4.775 2025 4.775 2026 4.775 2027 4.775 2028 4.775 2029 4.775