Year	% of total employment
2000	25.59
2001	26.06
2002	25.46
2003	24.97
2004	25.17
2005	25.38
2006	25.18
2007	25.43
2008	25.69
2009	23.05
2010	23.75
2011	17.14
2012	18.58
2013	18.42
2015	18.63
2016	18.71
2017	18.9
2018	19.15
2019	19.42
2020	19.62
2021	19.42
2022	19.29