Year	% (modeled ILO estimate)
1991	77.307
1992	76.463
1993	75.807
1994	75.272
1995	74.779
1996	74.982
1997	75.078
1998	74.46
1999	73.832
2000	73.194
2001	72.546
2002	71.889
2003	71.222
2004	70.546
2005	69.86
2006	69.166
2007	68.463
2008	67.751
2009	67.031
2010	66.303
2011	65.568
2012	64.824
2013	64.074
2014	63.316
2015	62.552
2016	62.293
2017	61.973
2018	61.608
2019	61.221
2020	60.639
2021	60.539
2022	60.34
2023	60.387