Year	% (modeled ILO estimate)
1991	10.406
1992	10.262
1993	10.264
1994	10.358
1995	10.601
1996	10.663
1997	10.717
1998	10.684
1999	10.494
2000	10.336
2001	10.251
2002	10.341
2003	10.326
2004	10.225
2005	10.192
2006	9.844
2007	9.653
2008	9.355
2009	9.217
2010	9.048
2011	9.095
2012	9.076
2013	8.975
2014	8.88
2015	8.823
2016	8.851
2017	8.874
2018	8.896
2019	8.968
2020	7.584
2021	7.988
2022	8.894
2023	9.01