Year	% of total employment (modeled ILO estimate)
1991	29.2658684749132
1992	29.6034791024469
1993	29.9459161214826
1994	30.0634336595776
1995	30.3416186393631
1996	30.9009990109902
1997	31.5562637203191
1998	32.1482645410698
1999	32.8373677180467
2000	33.610030284794
2001	34.3732763863158
2002	34.3400904520306
2003	35.0934868388859
2004	35.90531783628
2005	35.9782760993176
2006	36.4656281554347
2007	37.1023617690245
2008	37.8140775203235
2009	38.6480300111974
2010	39.4023692738123
2011	39.2397580969928
2012	40.0131514880758
2013	40.6632804063512
2014	40.9465627948023
2015	41.5780825105065
2016	41.9586474106686
2017	42.7767381946948
2018	43.50596833007
2019	44.3210525735172
2020	44.2554028738074
2021	44.3640532494549
2022	44.9695972019611