Year	% (modeled ILO estimate)
1991	71.068
1992	69.332
1993	68.444
1994	69.722
1995	70.925
1996	70.25
1997	69.361
1998	67.624
1999	66.367
2000	65.542
2001	65.9
2002	66.451
2003	65.024
2004	65.431
2005	65.272
2006	67.071
2007	66.828
2008	65.692
2009	63.638
2010	61.463
2011	61.996
2012	60.873
2013	59.517
2014	62.118
2015	63.483
2016	64.59
2017	65.061
2018	64.417
2019	63.638
2020	63.756
2021	65.283
2022	67.618
2023	69.439