Year	% of total employment
2007	36
2008	26.78
2009	39.28
2010	39.42
2011	38.29
2012	35.02
2013	33.11
2014	32.86
2015	37.43
2016	36.49
2017	33.63
2018	19.91
2019	16.62
2020	20.02
2021	16.55
2022	17.91