Year	% of total labor force (modeled ILO estimate)
1991	6.044813514394024
1992	6.14176787524425
1993	5.9391961970968845
1994	6.486054738087928
1995	7.810290285611272
1996	8.063214420109546
1997	7.941426720442279
1998	8.345667565442238
1999	9.105118130638107
2000	9.179802915259595
2001	8.7686042943478
2002	8.980488596725102
2003	8.807609392189697
2004	8.354517592715025
2005	8.035731476128936
2006	7.477889026486775
2007	7.152832154373574
2008	6.760580474052617
2009	7.758323231427507
2010	7.137147566922885
2011	6.646038882770867
2012	6.377117512413622
2013	6.2955885593996115
2014	6.099347479810616
2015	6.70202119320166
2016	7.90667470796857
2017	8.231944302092794
2018	8.090596535668771
2019	8.128513246190142
2020	10.273382327285754
2021	9.238851735235412
2022	6.887760494653078
2023	6.1321370884792525
