Year	% (modeled ILO estimate)
1991	10.766
1992	10.947
1993	11.001
1994	11.273
1995	11.406
1996	11.552
1997	11.764
1998	11.942
1999	12.098
2000	12.217
2001	12.383
2002	12.472
2003	12.51
2004	12.527
2005	12.536
2006	12.624
2007	12.703
2008	12.752
2009	12.75
2010	12.692
2011	12.672
2012	12.603
2013	12.491
2014	12.371
2015	12.252
2016	12.147
2017	12.073
2018	11.999
2019	11.918
2020	11.808
2021	11.743
2022	11.931
2023	11.915