Year	%
1996	11.03
1997	11.03
1998	11.03
1999	11.03
2000	11.03
2001	11.03
2002	12.1
2003	12.16
2004	12.19
2005	12.15
2006	12.04
2007	11.97
2008	12.02
2009	12.01
2010	12.02
2011	13.23
2012	13.33
2013	13.34
2014	12.1
2015	11.25
2016	11.25
2017	11.28
2019	11.28
2020	11.28
2021	11.28