Year	% (modeled ILO estimate)
1991	65.184
1992	65.199
1993	65.067
1994	65.008
1995	65.264
1996	65.426
1997	65.55
1998	65.7
1999	65.801
2000	65.772
2001	65.857
2002	65.745
2003	65.489
2004	65.199
2005	64.958
2006	64.815
2007	64.673
2008	64.509
2009	64.25
2010	63.829
2011	63.672
2012	63.432
2013	63.103
2014	62.713
2015	62.26
2016	61.94
2017	61.598
2018	61.225
2019	60.833
2020	60.256
2021	60.086
2022	60.833
2023	61.199