Year	% (modeled ILO estimate)
1991	29.538
1992	27.878
1993	26.274
1994	26.439
1995	25.734
1996	25.35
1997	24.149
1998	27.268
1999	27.239
2000	27.48
2001	26.111
2002	26.321
2003	25.076
2004	26.61
2005	24.834
2006	24.041
2007	23.834
2008	23.478
2009	22.799
2010	20.125
2011	16.096
2012	13.038
2013	11.89
2014	13.266
2015	13.018
2016	13.007
2017	14.138
2018	13.939
2019	14.562
2020	13.93
2021	13.464
2022	16.176
2023	18.567