Year	% of total employment (modeled ILO estimate)
1991	19.71811494382326
1992	19.98568887023787
1993	20.60926073229558
1994	20.89670714708082
1995	21.25060859319718
1996	21.717913260467544
1997	21.928229221139
1998	21.58186424993243
1999	21.242692383250578
2000	20.90224904949232
2001	20.93706780843446
2002	20.32084800569741
2003	20.439406211550043
2004	21.169219904847512
2005	22.270029626690818
2006	23.356751635645935
2007	24.51955344670851
2008	24.78158434889814
2009	25.17092592156425
2010	25.822080270867882
2011	26.42756875435496
2012	27.088871884696296
2013	27.002015453197657
2014	27.024435224219683
2015	26.74802499368568
2016	27.11663543947795
2017	27.455221617575248
2018	27.87124434570876
2019	28.252749839664652
2020	28.6580198818664
2021	29.211876737289746
2022	29.06972593851756