Year	%
2001	14.41
2002	9.4
2005	7.36
2007	7.36
2008	7.36
2009	7.34
2010	7.34
2011	7.34
2013	7.44
2015	7.44
2016	7.44
2017	7.45
2018	7.45
2021	7.45