Year	% (modeled ILO estimate)
1991	66.24
1992	65.854
1993	65.399
1994	65.51
1995	65.977
1996	65.943
1997	65.997
1998	66.474
1999	66.518
2000	66.781
2001	66.774
2002	65.676
2003	65.235
2004	64.886
2005	65.162
2006	65.171
2007	65.369
2008	65.221
2009	63.625
2010	63.016
2011	63.185
2012	62.275
2013	61.761
2014	61.766
2015	62.089
2016	62.121
2017	62.224
2018	62.329
2019	62.085
2020	60.896
2021	60.815
2022	61.487
2023	61.38