Year	% (modeled ILO estimate)
1991	66.391
1992	66.447
1993	66.452
1994	66.303
1995	66.657
1996	67.274
1997	67.899
1998	68.525
1999	68.977
2000	69.159
2001	69.52
2002	69.68
2003	69.693
2004	69.669
2005	69.676
2006	68.361
2007	67.023
2008	65.672
2009	64.308
2010	62.921
2011	61.512
2012	60.623
2013	59.725
2014	58.817
2015	57.901
2016	56.975
2017	56.04
2018	57.666
2019	59.156
2020	60.933
2021	61.047
2022	61.6
2023	61.511