Year	% of total employment (modeled ILO estimate)
1991	22.9506323652547
1992	21.5448420360936
1993	19.9907581134309
1994	19.2920236317378
1995	18.3310515541938
1996	15.7335193414351
1997	14.1235046474126
1998	11.1198123266773
1999	11.1726219115386
2000	10.878672225158
2001	10.8209990359201
2002	11.5282362622178
2003	12.8959538653574
2004	11.9057004489954
2005	12.0772994713188
2006	12.353546182545
2007	12.625504719436
2008	12.1301899759512
2009	12.6691340797568
2010	13.7167783210161
2011	14.0745423059932
2012	14.2869777546146
2013	14.3750114917328
2014	14.304236936242
2015	14.0637111249741
2016	14.3280291489886
2017	14.3169873403235
2018	14.3294867965715
2019	14.3488820703825
2020	14.3718670155299
2021	14.7867532966284
2022	14.9167966510074