Year	% (modeled ILO estimate)
1991	71.247
1992	70.008
1993	69.129
1994	68.376
1995	67.648
1996	67.946
1997	68.097
1998	67.696
1999	67.309
2000	66.935
2001	66.575
2002	66.229
2003	65.894
2004	65.565
2005	65.24
2006	64.916
2007	64.597
2008	64.279
2009	63.963
2010	63.649
2011	63.335
2012	63.022
2013	62.709
2014	62.396
2015	62.084
2016	61.707
2017	61.239
2018	60.703
2019	60.128
2020	59.547
2021	59.448
2022	59.248
2023	59.432