Year	% of total employment (modeled ILO estimate)
1991	2.56790841057472
1992	2.54227563400411
1993	2.57050860964237
1994	2.55690808210797
1995	2.56764536557283
1996	2.57678955030899
1997	2.54852123443084
1998	2.52071409480097
1999	2.44586233565352
2000	2.39725736785384
2001	2.3460386560398
2002	2.26903476861869
2003	2.20150703021829
2004	2.14706221863096
2005	2.10204035003541
2006	2.02794998423873
2007	1.96001914368811
2008	1.88443391113969
2009	1.83160878203713
2010	1.78219902623559
2011	1.70408198238338
2012	1.63715984572531
2013	1.57745445493315
2014	1.51103129810159
2015	1.44247338442354
2016	1.3740261963873
2017	1.32384844961705
2018	1.27691375241996
2019	1.23081010523398
2020	1.2320908475773
2021	1.20934689495134
2022	1.1646936882876