Year	% of total employment (modeled ILO estimate)
1991	3.19780952382412
1992	3.22616885162645
1993	3.25607257450747
1994	3.28751776653124
1995	3.32048225065734
1996	3.35491295355595
1997	3.39069359382289
1998	3.42765791192413
1999	3.46554601870618
2000	3.50406065028975
2001	3.54284626590491
2002	3.57760350856223
2003	3.60835761832866
2004	3.63514750922696
2005	3.65805700843892
2006	3.67715921223073
2007	3.69259764237279
2008	3.70447119712274
2009	3.71283732223498
2010	3.71843558719828
2011	3.72126767518565
2012	3.72324454801015
2013	3.73197534886999
2014	3.74675404868209
2015	3.8046261942154
2016	3.93703505603832
2017	4.07975093754028
2018	4.23740064328709
2019	2.45359871685372
2020	2.41783924964477
2021	2.31780583328803
2022	2.23728147406151