Year	% (modeled ILO estimate)
1991	75.242
1992	75.045
1993	74.979
1994	74.885
1995	74.971
1996	74.875
1997	74.733
1998	74.456
1999	74.314
2000	74.144
2001	74.035
2002	73.937
2003	73.798
2004	74.11
2005	74.339
2006	74.025
2007	73.682
2008	73.372
2009	72.908
2010	72.796
2011	72.781
2012	72.659
2013	73.48
2014	72.814
2015	72.246
2016	71.687
2017	71.04
2018	70.885
2019	70.698
2020	69.543
2021	70.069
2022	70.707
2023	70.711