Year	Percent of total labor force (Units)
2007	5.600
2008	3.700
2009	4.000
2010	3.600
2011	4.000
2012	3.700
2013	4.300
2014	3.800
2015	3.500
2016	4.300
2017	4.100
2018	4.300
2019	4.700
2020	5.900
2021	5.900
2022	7.700