Year	% of total employment (modeled ILO estimate)
1991	3.66038243554599
1992	3.71399413314417
1993	3.77937625391501
1994	3.83887717343731
1995	3.88079588955387
1996	4.11126144180172
1997	4.16087372730375
1998	4.05611282084635
1999	4.09080329870984
2000	3.94755611703438
2001	3.72449403632012
2002	3.74336219546742
2003	3.75188745279502
2004	3.65441111424513
2005	3.91673242068594
2006	3.90409853718673
2007	3.91237007693176
2008	3.76698700989528
2009	3.76008982898166
2010	3.91639003892537
2011	3.66648972309122
2012	3.76788459581215
2013	3.80898238836025
2014	3.61508182054925
2015	3.57591280685307
2016	3.64066512796111
2017	3.61375835945332
2018	3.58457705185035
2019	3.6182730361984
2020	3.41810702178864
2021	3.39811775496323
2022	3.3658067475539