Year	% of total employment
2009	24.22
2010	24.41
2011	23.75
2012	25.94
2013	25.75
2014	24.07
2015	23.21
2016	23.96
2017	24.07
2018	24
2019	22.55
2020	22.02
2021	20.47
2022	19.77