Year	% of total employment (modeled ILO estimate)
1991	1.18950938709215
1992	1.20131493821444
1993	1.20943929820734
1994	1.22107513217068
1995	1.23780934229503
1996	1.2575376099626
1997	1.28401086069076
1998	1.30409630371129
1999	1.32930173974249
2000	1.35189534757112
2001	1.3744148230536
2002	1.39838126063395
2003	1.42345668094041
2004	1.44417740514414
2005	1.45473438108845
2006	1.46231756482791
2007	1.47994639197197
2008	1.51421340410674
2009	1.56431355647049
2010	1.61641814487638
2011	1.6653830745274
2012	2.11508035279476
2013	2.60840061225187
2014	3.10608273507087
2015	3.57510881280427
2016	3.77948513553749
2017	3.94368965166396
2018	4.09317339346791
2019	4.22689266567006
2020	4.18872449743682
2021	4.26086840341725
2022	4.30769751196658