Year	% (modeled ILO estimate)
1991	75.109
1992	74.624
1993	74.336
1994	73.966
1995	73.621
1996	73.299
1997	73.029
1998	72.746
1999	72.18
2000	71.477
2001	70.909
2002	70.299
2003	69.594
2004	68.917
2005	68.255
2006	67.625
2007	67.056
2008	66.578
2009	66.097
2010	65.674
2011	65.44
2012	65.133
2013	64.793
2014	64.486
2015	64.212
2016	62.711
2017	61.177
2018	61.88
2019	60.252
2020	59.26
2021	52.795
2022	53.542
2023	53.838