Year	% (modeled ILO estimate)
1991	69.505
1992	70.289
1993	71.028
1994	71.708
1995	72.293
1996	71.864
1997	71.294
1998	70.612
1999	69.902
2000	69.246
2001	67.454
2002	65.789
2003	64.254
2004	62.839
2005	61.57
2006	61.631
2007	61.749
2008	61.939
2009	62.216
2010	62.55
2011	63.33
2012	64.022
2013	64.635
2014	65.184
2015	65.659
2016	65.4
2017	65.281
2018	65.164
2019	64.88
2020	63.647
2021	63.369
2022	64.88
2023	64.922