Year	% (modeled ILO estimate)
1991	67.892
1992	67.812
1993	67.855
1994	67.925
1995	68.142
1996	68.266
1997	68.145
1998	67.962
1999	67.792
2000	67.651
2001	67.376
2002	67.167
2003	66.97
2004	66.906
2005	66.709
2006	66.672
2007	66.637
2008	66.637
2009	66.562
2010	66.458
2011	66.585
2012	66.697
2013	66.714
2014	66.826
2015	66.614
2016	66.52
2017	66.394
2018	66.484
2019	66.392
2020	65.139
2021	65.233
2022	66.259
2023	66.577