Year	% (modeled ILO estimate)
1991	83.999
1992	84.029
1993	84.067
1994	84.053
1995	83.973
1996	83.922
1997	83.849
1998	83.721
1999	83.649
2000	83.53
2001	83.324
2002	83.212
2003	83.079
2004	82.725
2005	81.88
2006	81.191
2007	80.498
2008	79.648
2009	78.548
2010	77.476
2011	81.196
2012	84.068
2013	79.436
2014	80.405
2015	82.022
2016	80.982
2017	82.523
2018	81.828
2019	80.635
2020	77.262
2021	78.994
2022	79.041
2023	79.232