Year	% (modeled ILO estimate)
1991	64.648
1992	64.629
1993	64.588
1994	64.409
1995	64.333
1996	64.248
1997	64.344
1998	64.5
1999	64.762
2000	65.161
2001	65.61
2002	66.143
2003	66.573
2004	66.835
2005	67.149
2006	67.677
2007	68.442
2008	69.355
2009	70.317
2010	70.944
2011	70.286
2012	70.609
2013	70.671
2014	70.197
2015	70.03
2016	70.434
2017	70.961
2018	71.398
2019	71.493
2020	70.08
2021	70.448
2022	70.881
2023	70.928