Year	% of total employment (modeled ILO estimate)
1991	3.9446882431325
1992	3.99245597292618
1993	4.10946545396675
1994	4.28069619253721
1995	4.40935292263317
1996	4.87534980043376
1997	4.63491917577617
1998	4.43254481590905
1999	4.14061760053716
2000	4.33647136451778
2001	4.50371186846395
2002	4.45828060928325
2003	4.25796982226456
2004	4.2635169110269
2005	4.72988030320124
2006	4.93677975101545
2007	5.05583116573903
2008	4.72567544940287
2009	4.44918919361888
2010	4.51630510809268
2011	4.81314077477639
2012	4.55929420251001
2013	4.47068902771288
2014	4.19946926853983
2015	4.34989788958597
2016	4.42109599929639
2017	4.60934479478603
2018	4.80619665458426
2019	4.79343215944541
2020	4.75329636697469
2021	4.95279480446029
2022	5.13508302615441