Year	% of total employment
2007	13.01
2009	26.38
2011	21.95
2012	22.91
2013	26.85
2014	28.57
2015	28.01
2016	26.44
2017	30.14
2018	25.57
2019	28.4
2020	27.36
2021	25.95
2022	20.97