Year	% of total employment (modeled ILO estimate)
1991	38.301843285365
1992	38.5149306933446
1993	38.7263393297793
1994	38.8044058199227
1995	38.8387018331463
1996	38.8093187329838
1997	38.7998619483542
1998	38.6990055414832
1999	38.4948876001306
2000	38.2329811228928
2001	37.9587223153428
2002	37.7312381041303
2003	37.5898177245888
2004	37.568762628087
2005	37.7179528233515
2006	38.0572239161469
2007	38.5869388051501
2008	39.2855682608044
2009	40.0514556994001
2010	37.6424602573102
2011	37.1109319165684
2012	37.1726501531553
2013	37.643984909912
2014	38.3465383324892
2015	38.7966841558705
2016	39.2618298865301
2017	39.5112821126401
2018	39.7235177694507
2019	39.8678905767295
2020	39.7218534867732
2021	39.9697912101584
2022	40.3033103989302
