Year	% (modeled ILO estimate)
1991	74.749
1992	74.611
1993	74.44
1994	74.301
1995	74.022
1996	73.696
1997	73.4
1998	73.096
1999	72.633
2000	72.309
2001	72.016
2002	72.974
2003	74.482
2004	72.929
2005	72.318
2006	71.88
2007	71.443
2008	71.616
2009	71.204
2010	71.09
2011	70.085
2012	70.21
2013	70.343
2014	70.299
2015	69.965
2016	70.116
2017	70.186
2018	69.274
2019	69.618
2020	62.888
2021	59.95
2022	65.146
2023	66.151