Year Percent of total labor force (Units) 2000 11.777 2001 10.913 2002 10.037 2003 9.167 2004 7.987 2005 7.256 2006 6.615 2007 6.326 2008 5.856 2009 5.742 2010 5.631 2011 5.424 2012 5.185 2013 4.973 2014 4.913 2015 4.958 2016 5.043 2017 4.961 2018 4.944 2019 5.004 2020 7.244 2021 6.039 2022 5.646 2023 5.583 2024 5.521 2025 5.459 2026 5.398 2027 5.337 2028 5.277 2029 5.218