Year	% (modeled ILO estimate)
1991	85.34
1992	85.347
1993	85.521
1994	85.61
1995	85.748
1996	85.726
1997	85.746
1998	85.283
1999	84.762
2000	84.142
2001	83.622
2002	83.052
2003	82.558
2004	81.956
2005	81.359
2006	80.819
2007	80.236
2008	79.655
2009	79.01
2010	78.385
2011	77.771
2012	77.162
2013	76.538
2014	75.897
2015	75.238
2016	75.222
2017	75.207
2018	75.206
2019	75.24
2020	74.295
2021	74.288
2022	75.094
2023	75.317