Year	% (modeled ILO estimate)
1991	78.778
1992	78.446
1993	78.252
1994	77.97
1995	77.454
1996	77.38
1997	77.011
1998	76.511
1999	76.219
2000	75.99
2001	76.02
2002	75.778
2003	75.755
2004	75.606
2005	74.43
2006	73.245
2007	72.05
2008	70.844
2009	69.626
2010	68.395
2011	70.668
2012	76.305
2013	67.305
2014	70.148
2015	72.431
2016	71.106
2017	73.592
2018	71.74
2019	70.563
2020	67.303
2021	68.981
2022	69.23
2023	69.623