Year	% of total employment
1993	18.33
1994	17.64
1995	17.18
1996	17.29
1997	18.08
1998	18.02
1999	16.63
2000	17.13
2001	17.61
2002	19.02
2003	20.6
2004	19.84
2005	18.65
2006	18.98
2007	19.27
2008	19.33
2009	22.78
2010	21.91
2011	23.5
2012	24.46
2013	26.68
2014	26.2
2015	28.62
2016	25.69
2017	28.19
2018	28.2
2019	28.37
2020	33.9
2021	28.7
2022	29.97
2023	32.06