Year	% of total employment (modeled ILO estimate)
1991	29.8069200179021
1992	29.803377106251
1993	29.9352798025129
1994	30.0964915810592
1995	29.6131715052764
1996	29.0877236611765
1997	29.004896442655
1998	29.3126966467207
1999	29.6625306530805
2000	30.1202679730942
2001	30.6128745886021
2002	31.2126376703126
2003	31.8913734107035
2004	32.486032983278
2005	33.1476334634564
2006	33.6572284138366
2007	34.5259888175606
2008	35.1669419578082
2009	35.4797518398956
2010	35.490811048751
2011	35.3634402222653
2012	35.4247313071555
2013	35.52560023928
2014	35.4385529860633
2015	35.3902762616957
2016	35.57265837183
2017	35.7266432602764
2018	35.6912031501258
2019	35.7911569276759
2020	35.3759518319175
2021	35.2467043890114
2022	35.569572329303