Year	% (modeled ILO estimate)
1991	86.412
1992	86.597
1993	85.683
1994	84.801
1995	84.11
1996	83.229
1997	82.481
1998	81.548
1999	80.675
2000	79.755
2001	78.828
2002	77.835
2003	77.336
2004	76.86
2005	76.353
2006	75.904
2007	75.466
2008	75.051
2009	74.563
2010	74.038
2011	72.449
2012	71.992
2013	71.583
2014	71.073
2015	70.381
2016	69.655
2017	69.001
2018	68.451
2019	68.327
2020	67.484
2021	66.448
2022	67.635
2023	67.956