Year	% (modeled ILO estimate)
1991	86.729
1992	86.617
1993	86.828
1994	86.994
1995	87.264
1996	87.298
1997	87.341
1998	87.253
1999	87.201
2000	87.331
2001	87.568
2002	87.605
2003	87.592
2004	87.747
2005	87.948
2006	87.924
2007	87.76
2008	87.605
2009	87.441
2010	87.303
2011	87.157
2012	87.005
2013	86.836
2014	86.456
2015	86.099
2016	85.778
2017	85.448
2018	85.087
2019	84.761
2020	83.218
2021	83.57
2022	83.793
2023	83.88