Year	% of total employment (modeled ILO estimate)
1991	21.6543229563376
1992	22.38168732216999
1993	23.57442756240471
1994	25.02908717678432
1995	26.552677440326153
1996	27.595076356440682
1997	28.148964108704597
1998	28.46402388736816
1999	28.650874230611734
2000	29.154242062912928
2001	29.530482656807592
2002	30.273493125946693
2003	30.83264910143225
2004	32.177020748958526
2005	32.74841646268508
2006	33.66479795465749
2007	34.071463664357886
2008	34.83407556079403
2009	35.719565991594266
2010	36.278003135468836
2011	37.16798806891983
2012	37.54158279515871
2013	39.50594295775831
2014	41.19209551090735
2015	42.690875312918855
2016	43.37784367307995
2017	43.80717695837885
2018	44.33902049791312
2019	45.001896862810845
2020	45.36556872764088
2021	45.45858140903318
2022	45.80521834227408