Year	% of total employment (modeled ILO estimate)
1991	4.094375535457293
1992	4.098133185441171
1993	4.220397629485788
1994	4.288037634504713
1995	4.358411458666514
1996	4.43136265568867
1997	4.43875630091915
1998	4.422660750101125
1999	4.357338555823487
2000	4.289443746519191
2001	4.249955301674604
2002	4.184923426993068
2003	4.101217838870681
2004	3.9611874155004867
2005	3.8583142622015583
2006	3.744456897398474
2007	3.638306318254662
2008	3.4849789103068627
2009	3.4658341931040204
2010	3.409150449387917
2011	3.3146750490008667
2012	3.282438411802536
2013	3.3167970721090376
2014	3.3396211478699986
2015	3.4047199809398294
2016	3.4872019941417216
2017	3.5694431445197115
2018	3.6507262689864928
2019	3.5834946718294955
2020	3.7402052349516586
2021	3.932674844439863
2022	3.959118069076246