Year	% (modeled ILO estimate)
1991	14.397
1992	14.319
1993	14.221
1994	14.106
1995	13.975
1996	13.868
1997	13.743
1998	13.602
1999	13.447
2000	13.245
2001	13.028
2002	12.804
2003	12.581
2004	12.366
2005	12.165
2006	12.003
2007	11.86
2008	11.718
2009	11.578
2010	11.438
2011	11.273
2012	11.118
2013	11.015
2014	10.933
2015	10.874
2016	10.809
2017	10.752
2018	10.706
2019	10.67
2020	9.981
2021	10.15
2022	10.757
2023	10.795