Year	% of total employment (modeled ILO estimate)
1991	40.45563467342791
1992	41.33353976631567
1993	42.26405494150711
1994	43.142377308837546
1995	43.98249415930454
1996	44.86998213504726
1997	45.05387430617229
1998	45.74924135037022
1999	46.64336954164913
2000	47.4494362247845
2001	47.902781527431145
2002	49.64448793815783
2003	50.504578957004306
2004	51.382344585157796
2005	51.957004686478875
2006	52.78974038292612
2007	53.073565619879524
2008	53.25723267074406
2009	54.807854358331255
2010	55.578887234865
2011	55.836524653095395
2012	56.24907843315783
2013	56.83436350908745
2014	57.09184218229043
2015	57.78684545918442
2016	58.140115440057166
2017	58.12113446392854
2018	58.46771995320143
2019	58.84576043569467
2020	59.03944851275542
2021	59.88841598127172
2022	60.29375420245705
