Year	% (modeled ILO estimate)
1991	62.364
1992	64.674
1993	66.939
1994	65.496
1995	65.991
1996	65.125
1997	64.258
1998	64.764
1999	64.285
2000	63.708
2001	63.133
2002	62.557
2003	62.458
2004	63.142
2005	61.821
2006	60.377
2007	61.077
2008	65.517
2009	64.453
2010	61.917
2011	57.577
2012	59.933
2013	58.618
2014	56.783
2015	55.186
2016	55.271
2017	53.75
2018	57.209
2019	56.681
2020	54.001
2021	56.855
2022	57.648
2023	57.43