Year	% (modeled ILO estimate)
1991	76.45
1992	76.063
1993	76.187
1994	76.473
1995	76.439
1996	76.458
1997	77.374
1998	77.269
1999	75.854
2000	76.375
2001	76.296
2002	74.331
2003	73.674
2004	73.346
2005	73.883
2006	75.176
2007	75.74
2008	75.427
2009	74.457
2010	75.614
2011	75.508
2012	76.136
2013	75.686
2014	76.019
2015	76.324
2016	75.714
2017	75.464
2018	75.2
2019	75.461
2020	74.441
2021	74.244
2022	75.549
2023	73.878