Year	% (modeled ILO estimate)
1991	72.934
1992	73.71
1993	73.422
1994	73.356
1995	73.696
1996	73.871
1997	74.129
1998	71.098
1999	70.424
2000	70.923
2001	71.268
2002	71.745
2003	71.856
2004	72.282
2005	72.685
2006	72.06
2007	72.712
2008	72.534
2009	71.666
2010	71.146
2011	72.796
2012	72.577
2013	70.094
2014	69.425
2015	68.825
2016	67.779
2017	66.94
2018	67.278
2019	66.478
2020	66.283
2021	66.13
2022	66.903
2023	66.454