Year	% of total employment (modeled ILO estimate)
1991	18.2095152116865
1992	17.9424813561287
1993	17.6263833384238
1994	17.3168698921326
1995	16.9977158225738
1996	16.7668674707454
1997	16.5818349684648
1998	16.3612843716449
1999	16.2381248365718
2000	16.2749155219013
2001	16.3357659503927
2002	16.2828436911672
2003	16.9613310597196
2004	17.4092867547428
2005	18.0053583271688
2006	18.4412747671389
2007	18.9210612524688
2008	18.9235964340005
2009	18.6388122824623
2010	18.7155717085625
2011	18.9638131784484
2012	19.3824010793977
2013	19.8247433500325
2014	20.0141134903292
2015	20.5616456144006
2016	20.7288138613346
2017	20.7816764241092
2018	20.9501259999493
2019	20.9542817856686
2020	21.1661100023081
2021	21.5001527468133
2022	21.508748349175