Year	% (modeled ILO estimate)
1991	74.834
1992	73.597
1993	72.893
1994	72.064
1995	71.315
1996	70.545
1997	69.832
1998	69.109
1999	67.378
2000	66.806
2001	67.118
2002	67.477
2003	67.896
2004	68.293
2005	68.655
2006	68.987
2007	68.49
2008	68.135
2009	67.624
2010	67.28
2011	67.775
2012	68.189
2013	68.481
2014	66.572
2015	64.534
2016	65.537
2017	66.814
2018	66.832
2019	66.826
2020	66.02
2021	65.842
2022	66.495
2023	66.372