Year	% (modeled ILO estimate)
1991	80.89
1992	79.661
1993	78.34
1994	77.011
1995	75.582
1996	74.099
1997	72.583
1998	70.999
1999	70.469
2000	69.961
2001	69.461
2002	68.951
2003	68.395
2004	67.89
2005	67.33
2006	66.804
2007	65.99
2008	65.164
2009	63.796
2010	62.406
2011	60.983
2012	59.536
2013	58.061
2014	56.554
2015	56.832
2016	57.112
2017	57.349
2018	57.544
2019	57.698
2020	57.274
2021	56.988
2022	57.144
2023	57.304