Year	% (modeled ILO estimate)
1991	77.682
1992	76.631
1993	75.827
1994	74.518
1995	74.966
1996	76.136
1997	75.179
1998	76.003
1999	76.026
2000	75.983
2001	76.073
2002	74.575
2003	73.859
2004	72.958
2005	72.172
2006	72.839
2007	73.54
2008	73.321
2009	72.402
2010	71.017
2011	71.639
2012	71.301
2013	70.775
2014	70.663
2015	70.732
2016	70.885
2017	71.052
2018	70.986
2019	70.615
2020	69.965
2021	69.105
2022	69.01
2023	68.968