Year	% (modeled ILO estimate)
1991	60.615
1992	60.623
1993	60.546
1994	60.731
1995	60.737
1996	60.688
1997	61.424
1998	63.487
1999	61.913
2000	60.404
2001	61.358
2002	61.587
2003	61.632
2004	64.097
2005	64.448
2006	65.538
2007	64.673
2008	63.941
2009	61.059
2010	60.116
2011	59.642
2012	60.433
2013	60.342
2014	60.441
2015	63.283
2016	64.557
2017	65.533
2018	64.307
2019	63.659
2020	56.406
2021	62.787
2022	63.413
2023	63.111