Year	% (modeled ILO estimate)
1991	65.626
1992	66.152
1993	66.469
1994	66.623
1995	67.001
1996	67.306
1997	67.792
1998	67.807
1999	67.31
2000	67.348
2001	67.12
2002	67.134
2003	67.041
2004	66.974
2005	66.797
2006	66.961
2007	67.088
2008	66.999
2009	67.121
2010	67.235
2011	67.144
2012	67.108
2013	67.048
2014	67.05
2015	67.122
2016	66.859
2017	67.164
2018	67.552
2019	67.561
2020	65.941
2021	66.344
2022	67.402
2023	67.455