Year	% (modeled ILO estimate)
1991	73.471
1992	73.361
1993	73.255
1994	73.17
1995	73.134
1996	73.227
1997	73.298
1998	73.306
1999	73.253
2000	73.193
2001	73.373
2002	73.438
2003	73.484
2004	73.54
2005	73.573
2006	73.784
2007	73.956
2008	74.1
2009	74.112
2010	74.048
2011	74.352
2012	74.613
2013	74.732
2014	74.744
2015	74.672
2016	74.432
2017	74.134
2018	73.921
2019	73.601
2020	72.468
2021	72.331
2022	73.503
2023	73.631