Year	%
1995	27.05
1996	27.12
1997	27.12
1998	27.12
2000	27.12
2001	27.12
2002	27.13
2003	27.13
2004	27.13
2005	27.13
2006	27.13
2007	27.29
2008	27.29
2009	27.29
2010	27.29
2011	27.29
2012	27.42
2013	27.42
2014	27.42
2015	27.42
2016	27.42
2017	27.49
2018	27.49
2019	27.49
2020	27.49
2021	27.49