Year	% (modeled ILO estimate)
1991	68.662
1992	67.141
1993	65.453
1994	64.193
1995	63.742
1996	62.549
1997	61.569
1998	61.362
1999	61.65
2000	61.597
2001	61.104
2002	60.021
2003	58.761
2004	57.511
2005	58.67
2006	59.535
2007	60.639
2008	61.439
2009	60.863
2010	61.191
2011	62.517
2012	62.743
2013	62.758
2014	62.816
2015	62.595
2016	63.615
2017	63.967
2018	64.278
2019	65.101
2020	63.158
2021	63.206
2022	64.428
2023	64.87