Year Percent of total labor force (Units) 2001 3.540 2002 3.921 2003 4.119 2004 3.362 2005 3.560 2006 3.313 2007 3.021 2008 3.114 2009 4.483 2010 4.945 2011 5.469 2012 6.950 2013 8.079 2014 8.739 2015 9.183 2016 8.597 2017 8.095 2018 8.009 2019 7.663 2020 7.342 2021 5.238 2022 4.318 2023 4.045 2024 3.945 2025 3.945 2026 3.945 2027 3.945 2028 3.945 2029 3.945