Year	% (modeled ILO estimate)
1991	13.628
1992	13.628
1993	13.1
1994	12.95
1995	10.824
1996	12.44
1997	14.202
1998	14.252
1999	12.247
2000	10.368
2001	12.586
2002	14.996
2003	15.539
2004	16.082
2005	16.575
2006	17.074
2007	17.008
2008	17.589
2009	18.777
2010	19.565
2011	19.254
2012	19.554
2013	19.858
2014	20.116
2015	20.774
2016	20.008
2017	19.239
2018	18.47
2019	20.365
2020	21.415
2021	22.454
2022	21.926
2023	21.813