Year	% of total employment (modeled ILO estimate)
1991	4.30193732435283
1992	6.15964634425976
1993	8.25576161712302
1994	7.92818269521095
1995	7.57395677484607
1996	7.8732443486256
1997	8.04784745928962
1998	7.41908364859185
1999	7.54229789696438
2000	7.06204605055401
2001	7.0862132566239
2002	6.8326328817801
2003	6.73008634859446
2004	7.02068954088608
2005	6.72273964937849
2006	6.76304936599778
2007	6.88810613994496
2008	7.00897500917605
2009	7.46882870635977
2010	7.6071659436257
2011	7.84928939378093
2012	8.20081463214674
2013	8.45401098538342
2014	8.61298165805779
2015	8.82401973080476
2016	9.13866279746433
2017	9.34582696830824
2018	9.67461999963967
2019	9.79923610625473
2020	10.0612586137781
2021	10.3501327387931
2022	10.5154862941274