Year Percent of total labor force 2007 11.3 2008 9.2 2009 11.6 2010 9.9 2011 7.7 2012 8.2 2013 7.9 2014 7.9 2015 7.5 2016 10 2017 10 2018 10 2019 9 2020 8.1 2021 7.29 2022 6.561 2023 5.905 2024 5.314