Year	% of total employment
1991	29.84
1992	33.65
1993	35.16
1994	34.65
1995	32.75
1996	35.12
1997	35.58
1998	35.3
1999	34.8
2000	33.69
2001	32.93
2002	34.35
2003	33.76
2004	33.26
2005	33.29
2006	33.09
2007	35.37
2008	33.65
2009	35.11
2010	33.88
2011	33.82
2012	34.55
2013	34.82
2014	35.64
2015	35.22
2016	35.25
2017	35.77
2018	35.63
2019	36.04
2020	37.21
2021	35.26
2022	33.59
2023	41.78