Year	% (modeled ILO estimate)
1991	63.177
1992	63.202
1993	63.189
1994	63.085
1995	62.858
1996	63.076
1997	63.092
1998	63.019
1999	62.915
2000	62.801
2001	63.067
2002	63.218
2003	63.396
2004	63.485
2005	63.579
2006	64.028
2007	64.354
2008	64.605
2009	64.784
2010	64.888
2011	65.362
2012	65.633
2013	65.789
2014	65.874
2015	62.675
2016	63.374
2017	64.079
2018	62.691
2019	61.171
2020	59.519
2021	59.334
2022	59.243
2023	59.73