Year	% of total employment (modeled ILO estimate)
1991	21.8501320819729
1992	21.6317554739906
1993	21.4097346077042
1994	21.1166365943464
1995	20.4922877730241
1996	20.1024224793211
1997	19.6494900629284
1998	19.1223827636072
1999	18.6029029086914
2000	18.0574029086192
2001	17.5005895341608
2002	16.8932769945195
2003	16.2795450597288
2004	15.3998400639744
2005	15.2790699952011
2006	14.3784071773112
2007	12.4057880872238
2008	10.7981385856418
2009	9.47117100276989
2010	7.94030602606889
2011	6.72508198641368
2012	5.66838415175826
2013	4.74385731296654
2014	3.94465195651396
2015	3.42932111066826
2016	2.99271540591119
2017	2.53981446982507
2018	2.13522181840828
2019	1.81436115103105
2020	1.81841402940114
2021	1.74336146196359
2022	1.67691178770345