Year	% of total employment (modeled ILO estimate)
1991	37.51009152554032
1992	37.66867769811161
1993	37.91345909601458
1994	37.55032613187651
1995	37.20174149076762
1996	36.51826171815461
1997	36.72899936363092
1998	36.3052955490223
1999	36.52733684619479
2000	35.92763753776417
2001	36.16905126356742
2002	36.444932618031025
2003	36.38317311803577
2004	35.83033314772802
2005	35.17710649842074
2006	34.4996805544726
2007	33.586083526838884
2008	33.145031191971334
2009	33.530465573780916
2010	33.38110526118277
2011	33.39666304454215
2012	32.23617434180681
2013	32.10524369344731
2014	31.843836150389404
2015	32.288922599290245
2016	32.60269559427481
2017	32.86119893548412
2018	33.121956923603854
2019	33.10088162057521
2020	33.77001352357174
2021	34.417571900906694
2022	33.11548254971138
