Year	% (modeled ILO estimate)
1991	52.595
1992	52.682
1993	52.622
1994	52.589
1995	53.426
1996	53.203
1997	50.66
1998	50.029
1999	52.361
2000	53.478
2001	52.249
2002	51.306
2003	50.383
2004	51.4
2005	53.115
2006	55.125
2007	56.688
2008	57.785
2009	56.275
2010	55.351
2011	54.421
2012	55.873
2013	53.87
2014	54.513
2015	55.236
2016	56.153
2017	56.947
2018	57.061
2019	58.805
2020	52.872
2021	55.056
2022	58.868
2023	57.983