Year	% (modeled ILO estimate)
1991	69.348
1992	69.364
1993	69.559
1994	69.692
1995	69.975
1996	70.07
1997	70.174
1998	70.14
1999	70.127
2000	70.586
2001	71.161
2002	71.522
2003	71.83
2004	72.306
2005	72.824
2006	72.885
2007	72.797
2008	72.718
2009	72.628
2010	72.569
2011	72.5
2012	72.424
2013	72.329
2014	71.416
2015	70.527
2016	69.746
2017	68.941
2018	68.097
2019	67.304
2020	65.622
2021	65.47
2022	65.304
2023	65.456