Year	% (modeled ILO estimate)
1991	78.58
1992	78.577
1993	78.487
1994	78.301
1995	78.114
1996	78.151
1997	78.128
1998	78.026
1999	77.915
2000	77.814
2001	77.775
2002	78.205
2003	78.635
2004	79.064
2005	79.483
2006	79.894
2007	78.846
2008	77.771
2009	76.692
2010	75.574
2011	74.387
2012	73.154
2013	71.872
2014	70.553
2015	69.33
2016	68.033
2017	66.749
2018	65.494
2019	64.256
2020	62.602
2021	62.446
2022	62.225
2023	62.573