Year	% (modeled ILO estimate)
1991	65.899
1992	63.816
1993	59.296
1994	55.896
1995	52.04
1996	46.303
1997	51.785
1998	54.01
1999	54.918
2000	55.778
2001	56.572
2002	57.345
2003	58.094
2004	58.861
2005	59.685
2006	60.576
2007	61.532
2008	62.587
2009	63.676
2010	64.212
2011	64.719
2012	65.163
2013	65.46
2014	65.677
2015	65.848
2016	65.979
2017	66.477
2018	67.789
2019	67.83
2020	68.061
2021	68.019
2022	68.763
2023	68.586