Year	% of total employment (modeled ILO estimate)
1991	55.5197431898003
1992	55.20303634477192
1993	54.78354493104264
1994	54.438758546970064
1995	53.90002495070715
1996	53.30922783894762
1997	52.93649972028827
1998	52.487087869888576
1999	51.95620970158889
2000	51.36801663407385
2001	50.604089577099494
2002	49.91378422356558
2003	49.2052670426346
2004	48.12845647391441
2005	47.2911380220016
2006	46.352023852945685
2007	45.306564448479925
2008	44.30275742178762
2009	43.594456678749886
2010	43.001311752520905
2011	42.440028055639864
2012	41.64978002613557
2013	41.171987576177926
2014	40.5081116211419
2015	40.01877351030635
2016	39.637141518408164
2017	39.24436619631089
2018	38.68187950625761
2019	38.181865943306995
2020	38.43723373122504
2021	38.378267272437846
2022	37.80829919076247
