Year	% of total employment
2000	27.73348703517933
2001	28.693101211439526
2002	29.654519433912355
2003	29.727622481056546
2004	30.020813347037297
2005	29.49341225066878
2006	29.549392970293408
2007	29.763717079970128
2008	30.27556722466414
2009	29.351455139080752
2010	28.478965151825957
2011	28.36497176156775
2012	28.337575260446208
2013	28.43307082338461
2014	28.461684348033057
2015	28.670663774909244
2016	28.73302826025495
2017	28.812266359069394
2018	28.504868493643702
2019	28.61563757795637
2020	32.554347098334674
2021	29.49070711225561
2022	29.181316674309645
2023	29.45116779899492