Year	% (modeled ILO estimate)
1991	71.155
1992	70.865
1993	70.371
1994	69.915
1995	69.298
1996	69.087
1997	68.648
1998	68.216
1999	67.593
2000	67.312
2001	67.118
2002	66.83
2003	66.558
2004	66.157
2005	65.979
2006	65.649
2007	65.438
2008	65.196
2009	64.601
2010	64.308
2011	63.913
2012	63.906
2013	63.387
2014	62.981
2015	62.518
2016	62.459
2017	62.035
2018	61.678
2019	61.349
2020	59.631
2021	59.377
2022	62.088
2023	62.402