Year	% of total employment
2009	18.1
2010	19.3
2011	14.45
2012	15.83
2013	17.71
2014	16.94
2015	18.97
2016	18.3
2017	17.88
2018	18.04
2019	18.43
2020	23.17
2021	22.28
2022	18.92
2023	19.22