Year	%
1995	55.26
1996	55.97
1997	55.97
1998	55.97
2000	55.97
2001	55.97
2002	55.25
2003	55.25
2004	55.25
2005	55.26
2006	55.25
2007	54.44
2008	54.44
2009	54.44
2010	54.44
2011	54.44
2012	53
2013	53
2014	53
2015	53
2016	53
2017	53.66
2018	53.66
2019	53.62
2020	53.58
2021	53.62