Year	% (modeled ILO estimate)
1991	63.621
1992	64.369
1993	61.715
1994	62.27
1995	61.758
1996	59.634
1997	58.423
1998	58.56
1999	58.377
2000	56.075
2001	54.684
2002	55.741
2003	54.71
2004	55.748
2005	56.967
2006	56.837
2007	58.389
2008	58.617
2009	58.476
2010	57.221
2011	58
2012	58.15
2013	57.741
2014	57.074
2015	56.499
2016	56.659
2017	54.943
2018	55.811
2019	55.477
2020	55.558
2021	55.694
2022	56.606
2023	59.286