Year	% (modeled ILO estimate)
1991	79.624
1992	78.805
1993	78.314
1994	77.3
1995	76.303
1996	73.766
1997	73.959
1998	72.827
1999	72.038
2000	71.692
2001	71.345
2002	71.534
2003	70.8
2004	71.903
2005	71.807
2006	71.948
2007	71.821
2008	72.413
2009	71.583
2010	71.274
2011	70.832
2012	71.369
2013	71.366
2014	71.077
2015	69.789
2016	67.55
2017	66.437
2018	66.615
2019	67.2
2020	62.578
2021	65.015
2022	68.06
2023	68.228