Year	%
1996	4.36
1997	4.36
1998	4.36
1999	4.36
2000	4.36
2001	4.36
2002	4.36
2003	4.36
2004	4.36
2005	3.37
2006	3.37
2007	3.37
2008	3.37
2010	3.39
2011	3.39
2012	5.61
2013	4.44
2015	3.6
2019	5.72
2021	5.71