Year	% (modeled ILO estimate)
1991	79.807
1992	79.118
1993	78.344
1994	78.821
1995	78.131
1996	78.313
1997	77.971
1998	77.83
1999	78.547
2000	77.963
2001	76.819
2002	75.661
2003	74.487
2004	73.297
2005	72.09
2006	69.847
2007	67.432
2008	69.125
2009	70.997
2010	71.252
2011	68.993
2012	67.561
2013	72.103
2014	72.336
2015	71.071
2016	69.654
2017	71.956
2018	74.454
2019	72.713
2020	65.111
2021	66.77
2022	66.59
2023	67.149