Year	% (modeled ILO estimate)
1991	71.808
1992	71.347
1993	68.901
1994	65.312
1995	63.896
1996	62.553
1997	59.52
1998	57.484
1999	60.106
2000	61.594
2001	61.225
2002	61.896
2003	61.278
2004	62.127
2005	62.802
2006	62.921
2007	64.703
2008	65.698
2009	63.999
2010	65.043
2011	65.901
2012	66.83
2013	66.963
2014	67.278
2015	67.151
2016	67.454
2017	67.413
2018	67.594
2019	66.976
2020	65.843
2021	67.168
2022	67.54
2023	66.911