Year	%
2002	11.69
2004	11.75
2005	10.04
2006	10.04
2008	10.2
2009	10.19
2010	9.97
2011	9.97
2012	9.9
2013	9.9
2014	19.83
2015	19.83
2016	19.83
2018	17.13
2019	17.13
2020	17.28
2021	18.59