Year	% (modeled ILO estimate)
1991	75.978
1992	75.221
1993	74.585
1994	73.662
1995	72.918
1996	72.204
1997	71.416
1998	70.539
1999	69.587
2000	68.595
2001	67.67
2002	66.67
2003	65.865
2004	64.19
2005	62.705
2006	62.12
2007	60.894
2008	59.041
2009	57.146
2010	55.439
2011	53.619
2012	51.858
2013	49.929
2014	48.006
2015	47.621
2016	47.318
2017	47.043
2018	46.766
2019	46.467
2020	45.588
2021	45.618
2022	45.834
2023	45.738