Year	% of total employment (modeled ILO estimate)
1991	9.760505336331335
1992	9.840614546397234
1993	9.988754026763113
1994	9.87769915783845
1995	9.848122872149759
1996	10.433958240150362
1997	9.732180105031881
1998	9.015001625873882
1999	8.357946839528818
2000	9.579742475102051
2001	10.40374156694432
2002	11.598998518355119
2003	11.90520222151898
2004	15.5662804693715
2005	17.235407927133853
2006	17.960944215107
2007	17.628470007977764
2008	17.054967330737824
2009	17.470720626488305
2010	17.880196998633032
2011	18.198506041419165
2012	17.72598872503089
2013	18.104698458115756
2014	14.61382071943073
2015	14.70212398921058
2016	14.473270456483428
2017	15.132635083088791
2018	15.82214837436372
2019	16.47447389063169
2020	16.55702106271081
2021	16.46620656292139