Year	% of total employment (modeled ILO estimate)
1991	44.732071371949935
1992	45.372201183242225
1993	46.252273956049194
1994	46.15875956162415
1995	46.75557647968881
1996	47.48475633921528
1997	48.04629149147995
1998	48.76337954590943
1999	48.143153091078574
2000	48.88870436876166
2001	49.668852848358604
2002	50.841939160167726
2003	51.38268298715358
2004	52.670501937844705
2005	53.18749201919649
2006	53.930362976537914
2007	54.66162637950271
2008	54.95472247870328
2009	55.97108683105304
2010	56.08132220179622
2011	56.25984481527425
2012	56.58153893018691
2013	57.002042844159966
2014	57.495504897416254
2015	58.20864354943231
2016	58.618212124810796
2017	59.04734469237663
2018	59.40025081546463
2019	59.818802537134005
2020	59.769780579855066
2021	59.70149597736583
2022	59.840879972155605
