Year	%
1995	63.27
1996	63.29
1997	63.29
1998	63.29
1999	63.28
2000	63.29
2001	63.29
2002	63.29
2003	63.29
2004	60.71
2005	60.71
2006	60.71
2007	60.71
2008	60.9
2009	60.9
2010	60.9
2011	60.9
2012	60.9
2013	61.1
2015	61.1
2016	61.1
2017	61.1
2018	61.38
2019	61.38
2020	61.38
2021	61.38