Year	% (modeled ILO estimate)
1991	47.508
1992	46.917
1993	46.647
1994	46.763
1995	46.752
1996	46.737
1997	46.72
1998	46.716
1999	46.63
2000	46.583
2001	46.533
2002	46.484
2003	46.437
2004	46.391
2005	46.346
2006	46.302
2007	46.259
2008	46.217
2009	46.176
2010	46.135
2011	46.095
2012	46.056
2013	46.017
2014	47.939
2015	47.154
2016	46.372
2017	46.929
2018	48.383
2019	49.899
2020	48.546
2021	50.272
2022	49.539
2023	49.714