Year	% (modeled ILO estimate)
1991	66.906
1992	64.978
1993	64.549
1994	65.137
1995	65.351
1996	65.022
1997	65.546
1998	65.983
1999	66.728
2000	67.325
2001	66.836
2002	67.077
2003	67.591
2004	67.695
2005	67.691
2006	67.457
2007	67.83
2008	67.832
2009	64.986
2010	65.178
2011	65.653
2012	65.48
2013	65.516
2014	65.273
2015	65.286
2016	64.839
2017	65.332
2018	65.372
2019	65.832
2020	61.923
2021	64.264
2022	65.407
2023	65.468