Year	% (modeled ILO estimate)
1991	80.582
1992	80.524
1993	80.311
1994	80.417
1995	80.729
1996	81.023
1997	81.241
1998	81.373
1999	81.513
2000	81.676
2001	81.877
2002	82.212
2003	82.539
2004	82.828
2005	83.057
2006	83.24
2007	83.009
2008	82.71
2009	82.42
2010	80.875
2011	79.43
2012	78.729
2013	78.048
2014	77.959
2015	77.38
2016	76.758
2017	76.137
2018	75.493
2019	74.841
2020	73.268
2021	73.22
2022	74.109
2023	74.457