Year	%
1998	5.14
1999	5.14
2000	5.14
2001	5.14
2002	5.14
2003	4.58
2004	4.58
2005	4.58
2006	4.58
2007	4.59
2008	4.45
2009	4.45
2010	4.45
2011	4.45
2012	4.5
2013	4.5
2015	4.5
2016	4.5
2019	4.52
2020	4.52
2021	4.52