Year	% (modeled ILO estimate)
1991	77.695
1992	77.597
1993	77.413
1994	77.764
1995	78.068
1996	78.786
1997	79.002
1998	79.12
1999	79.123
2000	79.063
2001	79.103
2002	79.812
2003	80.584
2004	81.366
2005	81.977
2006	82.596
2007	83.188
2008	81.98
2009	80.677
2010	79.303
2011	78.254
2012	77.19
2013	76.078
2014	74.921
2015	74.83
2016	74.715
2017	74.538
2018	74.342
2019	74.135
2020	73.151
2021	72.384
2022	74.115
2023	74.242