Year	% (modeled ILO estimate)
1991	65.435
1992	64.676
1993	55.807
1994	55.204
1995	52.232
1996	52.34
1997	53.087
1998	52.637
1999	52.957
2000	50.455
2001	48.7
2002	50.291
2003	52.061
2004	50.688
2005	51.216
2006	51.64
2007	52.746
2008	52.184
2009	48.362
2010	46.259
2011	48.416
2012	49.909
2013	51.045
2014	52.504
2015	53.653
2016	55.515
2017	56.334
2018	57.729
2019	58.023
2020	57.007
2021	57.404
2022	58.416
2023	58.1