Year	% (modeled ILO estimate)
1991	67.034
1992	66.274
1993	68.974
1994	64.902
1995	61.922
1996	64.538
1997	64.768
1998	63.564
1999	69.316
2000	65.946
2001	66.88
2002	68.044
2003	68.202
2004	65.901
2005	64.657
2006	66.986
2007	64.41
2008	66.07
2009	68.417
2010	67.341
2011	67.868
2012	66.206
2013	67.047
2014	67.426
2015	68.294
2016	68.939
2017	67.732
2018	67.599
2019	66.289
2020	64.547
2021	64.152
2022	63.366
2023	63.318