Year	% (modeled ILO estimate)
1991	77.161
1992	77.225
1993	76.906
1994	76.547
1995	76.006
1996	76.148
1997	75.943
1998	76.254
1999	76.757
2000	77.397
2001	77.864
2002	78.224
2003	72.711
2004	76.109
2005	72.976
2006	73.413
2007	72.122
2008	72.394
2009	76.183
2010	70.198
2011	67.365
2012	70.197
2013	68.939
2014	69.19
2015	67.397
2016	69.591
2017	68.856
2018	69.967
2019	70.852
2020	67.872
2021	69.542
2022	65.83
2023	66.422