Year	% of total employment (modeled ILO estimate)
1991	22.0239775953888
1992	22.1471628663915
1993	22.2794726636474
1994	22.4394007010711
1995	22.6287315910013
1996	22.8247727358402
1997	23.0466258687093
1998	23.3189060178826
1999	23.6410755718227
2000	24.035352403983
2001	24.8657256618769
2002	25.7447352185391
2003	26.6459582304147
2004	27.5612988720523
2005	28.4875800306627
2006	28.1761928902084
2007	27.8024405945528
2008	27.4204713140263
2009	27.0216526083686
2010	26.5660428763685
2011	27.3872807878167
2012	28.2198099168694
2013	29.041645765938
2014	29.8791319314622
2015	30.7466167128472
2016	31.5833249876057
2017	32.4694316284129
2018	33.3391278948964
2019	34.097078435209
2020	31.6208566091156
2021	31.4503256486145
2022	31.018738541353