Year	% (modeled ILO estimate)
1991	67.789
1992	67.697
1993	67.527
1994	67.465
1995	67.582
1996	67.656
1997	67.678
1998	67.774
1999	67.854
2000	67.83
2001	67.88
2002	67.81
2003	67.632
2004	67.458
2005	67.265
2006	67.114
2007	66.95
2008	66.818
2009	66.677
2010	66.424
2011	66.372
2012	66.255
2013	65.934
2014	65.695
2015	65.598
2016	65.609
2017	65.496
2018	65.276
2019	64.975
2020	64.301
2021	64.058
2022	64.82
2023	65.002