Year	% of total employment (modeled ILO estimate)
1991	8.56254457698113
1992	8.54889537570226
1993	8.51059069055346
1994	8.54145945722968
1995	8.52205339043625
1996	8.50534726010638
1997	8.47469581759128
1998	8.56521339802345
1999	8.57927802093672
2000	8.53505462133506
2001	8.7059346541284
2002	8.82547215463913
2003	8.91887717835263
2004	8.92622406412575
2005	9.02062974317289
2006	9.11581855699192
2007	9.18282038261625
2008	9.36921444969054
2009	9.43940612237846
2010	9.62170190707739
2011	9.68492051171102
2012	11.6096518994877
2013	7.99846082006444
2014	5.33892094897866
2015	5.40702123365462
2016	5.51238666963973
2017	5.5951741945237
2018	5.69663608489991
2019	5.79066555643701
2020	5.7543139037161
2021	5.85192230984014
2022	5.98757040221846