Year	% (modeled ILO estimate)
1991	57.489
1992	56.035
1993	56
1994	58.679
1995	60.768
1996	60.458
1997	58.967
1998	59.779
1999	60.75
2000	61.704
2001	61.146
2002	61.032
2003	61.827
2004	62.175
2005	63.29
2006	63.703
2007	64.138
2008	64.519
2009	61.18
2010	60.538
2011	60.4
2012	59.597
2013	58.658
2014	57.705
2015	58.443
2016	58.352
2017	58.468
2018	59.854
2019	60.115
2020	56.832
2021	60.88
2022	62.701
2023	62.214