Year	% (modeled ILO estimate)
1991	66.704
1992	66.341
1993	66.235
1994	65.935
1995	65.584
1996	65.281
1997	64.825
1998	64.426
1999	64.083
2000	63.731
2001	65.249
2002	63.127
2003	64.389
2004	63.896
2005	64.086
2006	63.691
2007	63.832
2008	63.976
2009	63.895
2010	64.245
2011	64.451
2012	64.794
2013	64.72
2014	64.752
2015	64.661
2016	64.446
2017	64.104
2018	63.781
2019	63.385
2020	62.096
2021	62.243
2022	63.321
2023	63.422