Year	% of total employment (modeled ILO estimate)
1991	5.03953575725936
1992	5.07116463137107
1993	5.09266371363761
1994	5.11595448491164
1995	5.14263980826615
1996	5.16977197211763
1997	5.20219070907174
1998	5.24764622396354
1999	5.29213489945476
2000	5.3347302436963
2001	5.35405566908733
2002	5.177854425773
2003	5.01224168104291
2004	4.83271491459581
2005	4.66442117141225
2006	4.25844596153295
2007	4.18036436182204
2008	4.10119803264587
2009	4.0316890261974
2010	4.51395320018175
2011	5.02908236601635
2012	5.61165247600412
2013	5.54917706912683
2014	5.47870797586322
2015	5.51412062301389
2016	5.51415857264942
2017	5.52673392491089
2018	5.55378404966247
2019	5.55712708585376
2020	5.5488066414958
2021	5.51651843933282
2022	5.50122079933148