Year	% (modeled ILO estimate)
1991	75.453
1992	75.154
1993	74.676
1994	74.515
1995	74.436
1996	74.487
1997	74.358
1998	74.101
1999	73.848
2000	73.687
2001	73.702
2002	74.11
2003	74.502
2004	74.847
2005	75.14
2006	75.412
2007	74.85
2008	74.214
2009	73.562
2010	72.558
2011	71.737
2012	71.576
2013	71.47
2014	72.112
2015	71.65
2016	71.049
2017	70.406
2018	69.683
2019	68.888
2020	67.633
2021	67.381
2022	67.33
2023	67.685