Year	% (modeled ILO estimate)
1991	86.854
1992	86.71
1993	86.565
1994	86.409
1995	86.243
1996	85.918
1997	85.522
1998	85.135
1999	84.751
2000	84.381
2001	83.939
2002	83.547
2003	83.193
2004	83.466
2005	83.759
2006	84.312
2007	83.321
2008	82.332
2009	81.315
2010	81.64
2011	80.877
2012	80.104
2013	79.326
2014	78.614
2015	77.886
2016	77.137
2017	78.214
2018	78.272
2019	78.334
2020	76.91
2021	77.222
2022	77.793
2023	77.691