Year	% of total employment (modeled ILO estimate)
1991	2.67681745507444
1992	2.68214242096645
1993	2.69631351867982
1994	2.70402778684232
1995	2.70550354841634
1996	2.70381810780623
1997	2.70403571751628
1998	2.74068256293862
1999	2.76195829046716
2000	2.75470480023492
2001	2.81553947699639
2002	2.90103505767075
2003	2.97861375474561
2004	3.04530464363376
2005	3.09202666382286
2006	3.36546395868825
2007	3.75030983624522
2008	4.18443191788419
2009	4.18268085359422
2010	4.09050522503124
2011	3.91689467576574
2012	3.74766004003579
2013	3.56261672913303
2014	2.84541978508118
2015	2.88362214766044
2016	2.94554390155979
2017	3.29683004774603
2018	3.97393268045254
2019	4.94188076811373
2020	4.61118946782726
2021	4.41167662781815
2022	4.46725891838329