Year	% (modeled ILO estimate)
1991	15.919
1992	15.918
1993	15.827
1994	15.789
1995	15.611
1996	15.471
1997	15.365
1998	15.179
1999	15.032
2000	14.849
2001	14.718
2002	14.556
2003	14.303
2004	14.111
2005	13.804
2006	13.489
2007	13.158
2008	12.833
2009	12.497
2010	12.172
2011	11.831
2012	11.495
2013	11.174
2014	10.85
2015	10.755
2016	10.669
2017	10.592
2018	10.524
2019	10.439
2020	10.11
2021	10.113
2022	10.133
2023	10.028