Year	% (modeled ILO estimate)
1991	75.596
1992	75.311
1993	75.158
1994	74.906
1995	74.418
1996	74.318
1997	73.98
1998	73.503
1999	73.258
2000	73.009
2001	72.94
2002	72.705
2003	72.643
2004	72.214
2005	71.061
2006	70.03
2007	68.995
2008	67.83
2009	66.489
2010	65.198
2011	67.647
2012	73.458
2013	63.668
2014	66.956
2015	69.645
2016	67.944
2017	70.858
2018	69.024
2019	67.758
2020	64.361
2021	66.872
2022	66.158
2023	66.376