Year	% (modeled ILO estimate)
1991	85.534
1992	84.896
1993	83.963
1994	83.225
1995	82.558
1996	81.7
1997	80.86
1998	80.036
1999	79.222
2000	78.492
2001	77.834
2002	77.183
2003	76.428
2004	75.901
2005	75.218
2006	74.667
2007	75.205
2008	75.81
2009	75.827
2010	75.886
2011	75.821
2012	75.801
2013	75.818
2014	75.811
2015	76.584
2016	77.261
2017	77.779
2018	78.187
2019	78.379
2020	77.725
2021	77.495
2022	78.118
2023	78.085