Year	% of total employment (modeled ILO estimate)
1991	19.7433169901083
1992	19.7433087953704
1993	19.7382070525496
1994	19.8361622434234
1995	19.9260107398352
1996	20.0211885779142
1997	20.1217549109303
1998	20.3747080227629
1999	20.6536967818108
2000	21.0454292220401
2001	21.6098687749465
2002	22.3083889207934
2003	23.2077532840185
2004	24.1234678357341
2005	25.0217529825248
2006	25.8082310896237
2007	26.5787686929927
2008	27.5063750895378
2009	28.3446415135615
2010	29.1712068255741
2011	29.9047044752285
2012	30.7897775951821
2013	31.6557195935184
2014	32.493869859902
2015	33.4134393917908
2016	27.6939219334132
2017	30.245161465674
2018	32.5625419274834
2019	34.3226723969319
2020	34.6141433752786
2021	35.078626099503
2022	35.6425884848681