Year	% of total employment
2005	35.67
2006	32.08
2007	31.26
2008	36.6
2009	39.17
2010	41.89
2011	35.18
2012	35.53
2013	40.64
2014	39.6
2015	40.12
2016	37.51
2017	39.53
2018	38.77
2019	34.51
2020	35.78
2021	35.52
2022	30.22
2023	27.69