Year	% (modeled ILO estimate)
1991	88.403
1992	88.659
1993	89.079
1994	89.683
1995	90.298
1996	90.067
1997	89.118
1998	88.287
1999	87.734
2000	87.511
2001	87.574
2002	87.888
2003	88.391
2004	89.206
2005	89.352
2006	88.418
2007	87.083
2008	86.393
2009	86.292
2010	87.008
2011	88
2012	88.85
2013	89.438
2014	89.836
2015	90.209
2016	90.617
2017	90.465
2018	91.172
2019	90.516
2020	86.531
2021	89.892
2022	90.934
2023	91.085