Year	% (modeled ILO estimate)
1991	59.747
1992	58.625
1993	58.143
1994	60.945
1995	61.951
1996	64.644
1997	65.411
1998	67.834
1999	68.875
2000	69.787
2001	69.887
2002	68.426
2003	68.039
2004	68.919
2005	69.643
2006	67.922
2007	69.566
2008	68.315
2009	65.717
2010	64.973
2011	65.584
2012	64.077
2013	63.59
2014	59.858
2015	60.277
2016	63.941
2017	62.835
2018	62.578
2019	59.619
2020	57.28
2021	57.448
2022	59.83
2023	60.024