Year	% of total employment (modeled ILO estimate)
1991	4.33724248474537
1992	4.14439286036239
1993	4.28520091233783
1994	4.0668163142176
1995	4.26171135657308
1996	3.90716068833733
1997	3.85524760767868
1998	4.24103437829598
1999	4.15780263392614
2000	4.19664286180732
2001	4.04727819990456
2002	4.14551367293123
2003	4.04576799899566
2004	3.45955712608201
2005	3.70116930099725
2006	3.99879767465161
2007	3.84798902457038
2008	3.98924137793886
2009	4.05034177110182
2010	3.7153709313669
2011	3.71609846616065
2012	3.66173689306624
2013	3.60653593189734
2014	3.61593978440173
2015	3.68102504739339
2016	3.56561105693537
2017	3.3839070537031
2018	3.21080058053014
2019	3.40010910223353
2020	3.38764850847832
2021	3.35918048484595
2022	2.79846056758715