Year	% (modeled ILO estimate)
1991	9.159
1992	8.811
1993	8.635
1994	8.487
1995	8.048
1996	8.443
1997	8.782
1998	8.746
1999	8.686
2000	8.669
2001	9.022
2002	9.232
2003	9.548
2004	10.606
2005	10.874
2006	11.285
2007	10.917
2008	11.25
2009	11.316
2010	11.365
2011	12.304
2012	13.017
2013	13.78
2014	12.477
2015	13.493
2016	13.745
2017	13.223
2018	13.079
2019	12.963
2020	11.805
2021	12.32
2022	12.785
2023	13.197