Year	% (modeled ILO estimate)
1991	65.82
1992	60.76
1993	54.66
1994	53.37
1995	53.252
1996	53.133
1997	53.014
1998	52.896
1999	52.777
2000	52.659
2001	52.54
2002	50.56
2003	50.74
2004	48.21
2005	50.83
2006	51.87
2007	52.74
2008	53.08
2009	50.99
2010	51.29
2011	52.78
2012	53.44
2013	55.16
2014	56.05
2015	56.52
2016	55.55
2017	55.38
2018	55.46
2019	56.19
2020	51.88
2021	54.88
2022	56.6
2023	58.176