Year	% of total employment (modeled ILO estimate)
1991	18.7988143656449
1992	19.0490639542457
1993	19.2036322678914
1994	19.4657464947428
1995	19.8650139344576
1996	20.4539516792663
1997	20.9122991180878
1998	21.6616869999262
1999	22.3722629721662
2000	23.3188646659961
2001	24.4612582279577
2002	25.2501216881502
2003	26.3325600854428
2004	27.2095587327795
2005	28.3489706127545
2006	29.4385203594488
2007	31.1201767101539
2008	32.2379450673833
2009	32.0659645851978
2010	32.2734400792341
2011	32.636625699214
2012	33.1082377368708
2013	33.2672594284471
2014	33.4970357023007
2015	33.8324045335938
2016	34.1816429674469
2017	33.972467722779
2018	34.0115140395003
2019	34.3746459040729
2020	34.4029896006597
2021	34.7951060288254
2022	35.0418399887391