Year	% (modeled ILO estimate)
1991	48.975
1992	48.747
1993	49.089
1994	50.759
1995	52.213
1996	53.6
1997	53.141
1998	52.627
1999	53.461
2000	53.973
2001	55.138
2002	55.76
2003	56.265
2004	57.087
2005	58.253
2006	58.72
2007	59.309
2008	59.406
2009	58.305
2010	57.697
2011	58.256
2012	57.967
2013	58.467
2014	59.513
2015	59.683
2016	61.081
2017	62.131
2018	62.817
2019	62.912
2020	61.95
2021	63.555
2022	64.534
2023	64.912