Year	% of total employment
2001	33.47
2003	32.98
2004	33.43
2005	31.81
2006	33.26
2007	32.02
2008	30.77
2009	32.98
2010	30.69
2011	31.93
2012	32.8
2013	30.51
2014	32.78
2015	31.83
2016	28.58
2017	29.98
2018	27.12
2019	26.81
2020	39.3
2021	33.16
2022	29.9