Year	% of total employment (modeled ILO estimate)
1991	25.86648094577339
1992	25.88309130064573
1993	26.007236253604397
1994	26.162414031198416
1995	26.32608591922782
1996	26.6332397112047
1997	26.880291350170072
1998	27.197534443903276
1999	27.51542324598992
2000	27.80131615687758
2001	28.018547085098827
2002	28.29113546522102
2003	28.647119213141163
2004	29.056246507184756
2005	29.456531213669322
2006	30.084630409419194
2007	30.779622580936294
2008	31.542040346225505
2009	32.12656392217314
2010	32.837481859615224
2011	33.52081884791345
2012	34.13255621899204
2013	34.27627369829675
2014	34.89660619018106
2015	35.38190357059652
2016	35.57029263744986
2017	35.81335913218091
2018	36.25015403330167
2019	36.61765783594035
2020	36.15875125809107
2021	36.329702330436874
2022	36.79111299785145