Year	% of total employment (modeled ILO estimate)
1991	31.1792446461296
1992	31.2970803712814
1993	31.2424459459071
1994	31.0757837188112
1995	31.0129680574538
1996	30.9122856973121
1997	30.7007872587522
1998	30.6577713160116
1999	30.6766113786532
2000	30.7683357066356
2001	30.5259112049218
2002	30.2521702584638
2003	30.0864184811665
2004	29.8570994866861
2005	29.5450430951332
2006	29.1651827629747
2007	28.5687055262791
2008	28.044149335636
2009	27.2829177301747
2010	26.7248795209873
2011	25.9944514787703
2012	25.1981223279241
2013	24.4941132959379
2014	23.9259647242742
2015	23.1217585708135
2016	22.2027783228154
2017	21.3447244128303
2018	20.4769531369366
2019	19.5423173572104
2020	19.2768499747938
2021	18.8196753606255
2022	18.3761634403769