Year	% of total employment
2001	28.66
2002	28.8
2003	33.82
2004	28.81
2005	30.13
2006	28.95
2007	29.82
2008	29.82
2009	29.81
2010	32.24
2011	27.51
2012	34.72
2013	37.63
2014	39.92
2015	38.48
2016	36.77
2017	33.84
2018	41.31
2019	35.32
2021	24.78
2022	13.35