Year	% of total employment (modeled ILO estimate)
1991	3.33093131611376
1992	3.3680507096690686
1993	3.3870346494667993
1994	3.4393527461837716
1995	3.5077265603452448
1996	3.5328997218523397
1997	3.6055905521603515
1998	3.646917433905851
1999	3.7730396180393853
2000	3.7738440729241525
2001	3.896118137030376
2002	3.935585869853793
2003	3.945385395611885
2004	4.013721750858733
2005	4.063720931399558
2006	4.0994160719936845
2007	4.079328354294051
2008	4.079632339300231
2009	4.053180779856703
2010	4.01093893611885
2011	3.98812642919589
2012	4.013826925780284
2013	4.027403702809091
2014	3.984586845633455
2015	3.988671912859382
2016	3.9736515276034514
2017	3.9854057259818245
2018	3.9946786969738777
2019	3.9580385545285868
2020	3.8638763531666678
2021	3.827030578814153
2022	3.8510936300545318