Year	%
2007	5.16
2008	5.16
2009	5.16
2010	5.16
2011	5.21
2012	5.21
2013	5.21
2014	5.2
2015	5.19
2016	5.19
2017	5.19
2018	5.19
2019	5.19
2020	5.19
2021	5.2