Year	% (modeled ILO estimate)
1991	72.492
1992	72.15
1993	71.588
1994	72.884
1995	73.609
1996	73.718
1997	72.472
1998	72.021
1999	71.774
2000	71.826
2001	72.19
2002	71.635
2003	71.347
2004	71.13
2005	71.96
2006	72.013
2007	71.738
2008	71.934
2009	70.365
2010	69.577
2011	68.751
2012	68.197
2013	67.331
2014	66.841
2015	67.768
2016	67.17
2017	67.382
2018	68.114
2019	68.236
2020	65.941
2021	68.152
2022	67.932
2023	68.438