Year	% of total employment
1991	23.43948275625765
1992	24.763488338658554
1993	24.437383175112856
1994	25.460340234524683
1995	26.397122423379408
1996	26.62502693335244
1997	25.856828744883387
1998	26.2622761190007
1999	25.525691379707098
2000	27.8253195190785
2001	28.097127113936697
2002	31.66069322034054
2003	30.190989264757448
2004	31.14781402074518
2005	30.914593584854256
2006	31.594443631922992
2007	31.710490398000864
2008	32.19897490275844
2009	34.240294856540565
2010	33.40567888143926
2011	33.183008013551046
2012	34.6561579707651
2013	35.43130274296303
2014	35.45808774949422
2015	35.37777816430679
2016	37.02410422534565
2017	37.715837011094216
2018	37.180314032443384
2019	37.47175931981181
2020	41.989138991930865
2021	39.827926820043984
2022	39.40419098164776
2023	39.86661656759258