Year	% (modeled ILO estimate)
1991	62.783
1992	62.856
1993	62.969
1994	63.082
1995	63.293
1996	63.318
1997	63.363
1998	63.254
1999	63.155
2000	63.843
2001	64.679
2002	65.259
2003	65.784
2004	66.521
2005	67.318
2006	67.512
2007	67.529
2008	67.559
2009	67.58
2010	67.639
2011	67.689
2012	67.733
2013	67.758
2014	66.941
2015	66.159
2016	65.459
2017	64.744
2018	64.003
2019	63.307
2020	61.376
2021	61.193
2022	61.294
2023	61.422