Year	% (modeled ILO estimate)
1991	68.265
1992	67.515
1993	67.426
1994	66.996
1995	66.367
1996	66.456
1997	66.735
1998	66.823
1999	67.096
2000	68.612
2001	69.503
2002	69.951
2003	69.722
2004	69.461
2005	69.259
2006	69.037
2007	68.835
2008	68.536
2009	68.509
2010	68.444
2011	68.466
2012	68.946
2013	69.128
2014	69.269
2015	69.383
2016	69.111
2017	68.883
2018	68.77
2019	68.889
2020	68.172
2021	67.702
2022	68.329
2023	68.818