Year	% of total employment (modeled ILO estimate)
1991	12.6278523105149
1992	12.1611127992167
1993	11.8732718126395
1994	11.1028154100942
1995	10.8155183549866
1996	8.88455574628298
1997	7.21745031703908
1998	5.81191826043716
1999	4.66491249150909
2000	5.40440053331186
2001	4.83824830828916
2002	5.25429153457232
2003	5.18666221238569
2004	4.82567218099562
2005	4.73854237069937
2006	4.26086165553519
2007	4.385052664303
2008	4.23117546694592
2009	3.92946456502124
2010	3.79540785904742
2011	3.82834929296172
2012	2.91263392881913
2013	3.10532134788252
2014	4.43014583945341
2015	3.99517320941793
2016	3.64349357491456
2017	2.5277873184451
2018	2.16574291031958
2019	2.41076589056908
2020	2.73172594732822
2021	2.85318447341343
2022	2.37461687728953