Year	% (modeled ILO estimate)
1991	13.208
1992	13.34
1993	13.515
1994	13.718
1995	13.935
1996	13.841
1997	13.768
1998	13.729
1999	13.738
2000	13.808
2001	13.57
2002	13.372
2003	13.223
2004	13.103
2005	13.036
2006	13.247
2007	13.362
2008	13.389
2009	13.388
2010	13.426
2011	13.575
2012	13.949
2013	14.477
2014	15.019
2015	15.46
2016	16.029
2017	16.394
2018	16.581
2019	16.609
2020	15.368
2021	15.467
2022	16.184
2023	16.225