Year	% (modeled ILO estimate)
1991	62.738
1992	62.392
1993	62.215
1994	62.253
1995	61.855
1996	62.031
1997	61.144
1998	60.212
1999	59.803
2000	60.704
2001	48.663
2002	43.537
2003	49.395
2004	48.111
2005	51.629
2006	51.323
2007	52.929
2008	49.399
2009	51.807
2010	52.443
2011	56.682
2012	56.03
2013	56.139
2014	55.365
2015	56.565
2016	56.456
2017	55.985
2018	54.477
2019	55.965
2020	51.456
2021	54.481
2022	57.395