Year	% of total employment (modeled ILO estimate)
1991	4.29115487336728
1992	4.18586142722589
1993	4.07869165517486
1994	3.98576898123981
1995	3.82890239045953
1996	3.78049551721685
1997	3.70561565098453
1998	3.48961273763082
1999	3.21088853525191
2000	3.28289539643088
2001	3.12208080318433
2002	2.93636881840246
2003	3.04063834219425
2004	3.31300577801341
2005	3.70135281933065
2006	3.64762442577175
2007	3.33523923698307
2008	3.16511579323885
2009	3.13101674756351
2010	3.06169938330933
2011	2.78380154874007
2012	2.73267363055312
2013	2.09526525353271
2014	2.29228450552053
2015	2.31980051823109
2016	2.2623235957291
2017	2.26829703740225
2018	2.09848507202185
2019	2.07893375668292
2020	2.06878297843275
2021	2.25617489228278
2022	1.91436274406285
