Year	% (modeled ILO estimate)
1991	66.698
1992	66.151
1993	65.061
1994	64.405
1995	64.174
1996	63.949
1997	62.36
1998	62.386
1999	61.777
2000	59.9
2001	67.97
2002	62.55
2003	62.85
2004	60.2
2005	55.79
2006	56.83
2007	57.52
2008	55.27
2009	54.62
2010	53.62
2011	55.67
2012	54.37
2013	56.55
2014	53.44
2015	53.68
2016	54.41
2017	54.54
2018	55.7
2019	56.7
2020	55.57
2021	49.01
2022	50.908
2023	55.158