Year	% (modeled ILO estimate)
1991	69.641
1992	69.44
1993	69.243
1994	69.046
1995	68.842
1996	68.779
1997	68.736
1998	68.71
1999	68.709
2000	68.555
2001	68.39
2002	68.459
2003	68.55
2004	68.128
2005	67.763
2006	67.683
2007	67.226
2008	67.078
2009	66.94
2010	65.887
2011	65.233
2012	63.08
2013	63.426
2014	60.963
2015	61.593
2016	61.231
2017	60.867
2018	60.503
2019	64.555
2020	64.418
2021	65.774
2022	65.75
2023	65.324