Year	% of total employment (modeled ILO estimate)
1991	25.866480945773397
1992	25.88309130064572
1993	26.007236253604397
1994	26.162414031198416
1995	26.32608591922782
1996	26.633239711204695
1997	26.880291350170072
1998	27.19753444390327
1999	27.51542324598991
2000	27.801316156877572
2001	28.018547085098827
2002	28.291135465221018
2003	28.647119213141163
2004	29.05624650718476
2005	29.45653121366932
2006	30.084630409419187
2007	30.7796225809363
2008	31.542040346225512
2009	32.12656392217314
2010	32.837481859615224
2011	33.52081884791346
2012	34.13255621899204
2013	34.27627369829675
2014	34.89660619018106
2015	35.38190357059652
2016	35.57029263744985
2017	35.81335913218092
2018	36.25015403330166
2019	36.617657835940356
2020	36.158751258091065
2021	36.329702330436874
2022	36.79111299785144