Year	%
2002	22.4
2003	22.43
2005	18.56
2006	13.78
2007	13.78
2008	13.78
2009	11.63
2010	11.63
2011	11.54
2012	11.49
2013	11.49
2014	11.35
2015	11.41
2016	11.48
2018	11.58
2019	11.58
2020	11.58
2021	11.58