Year	% of total employment
1995	20.4
1996	20.05
1997	18.21
1998	23.73
1999	23.76
2000	24.03
2001	23.73
2002	25.07
2003	24.49
2004	34.05
2005	36.4
2006	36.55
2007	37.15
2008	36.78
2009	41.43
2010	41.35
2011	40.78
2012	42.08
2013	42.62
2014	43.36
2015	44.66
2016	44.51
2017	45.37
2018	44.79
2019	43.9
2020	47.85
2021	49.28
2022	49.3
2023	49.93