Year	% of total employment (modeled ILO estimate)
1991	31.49703949833245
1992	31.58044637936932
1993	30.704861303889544
1994	30.394233104123206
1995	30.046164403897784
1996	29.161395930115617
1997	29.050143851304654
1998	28.425067678978255
1999	27.893892990991038
2000	27.95888611289375
2001	27.06656061217246
2002	26.452010086890837
2003	26.346188453205734
2004	26.41157772196806
2005	25.569135324754207
2006	24.850871046205068
2007	24.238885177958394
2008	23.20734139532773
2009	22.25137323232201
2010	21.303618690285298
2011	20.93802550700925
2012	20.273589310138153
2013	20.142899077468364
2014	19.77954737681859
2015	18.85639345540919
2016	18.321164798031013
2017	18.13900830889298
2018	17.080603855163304
2019	16.81135409817016
2020	16.73339901445378
2021	16.369030289549144
2022	16.039159021940158
