Year	% (modeled ILO estimate)
1991	80.812
1992	80.667
1993	80.594
1994	80.85
1995	80.874
1996	80.951
1997	81.173
1998	81.325
1999	81.473
2000	81.536
2001	81.985
2002	81.791
2003	82.339
2004	83.186
2005	84.345
2006	84.07
2007	83.864
2008	83.677
2009	83.212
2010	82.804
2011	84.247
2012	85.866
2013	85.453
2014	85.032
2015	84.591
2016	84.432
2017	84.281
2018	84.143
2019	84.014
2020	82.785
2021	83.062
2022	83.534
2023	83.647