Year	% of total employment
2000	33.45
2001	33.34
2002	34.62
2003	38.85
2004	35.47
2005	35.28
2006	19.14
2007	19.2
2008	18.76
2009	18.02
2010	16.7
2011	15.31
2012	16.12
2013	17.37
2014	18.42
2015	20.76
2016	21.3
2017	20.31
2018	14.48
2019	12.36
2020	13.64
2021	9.63
2022	8.98
2023	11.48