Year	%
2001	16.43
2002	11.36
2005	9.64
2007	9.64
2008	9.8
2009	9.81
2010	9.81
2011	9.81
2013	9.93
2015	9.93
2016	9.93
2017	9.97
2018	9.96
2021	9.96