Year	%
1995	34.71
1996	34.62
1997	34.62
1998	34.62
1999	34.62
2000	34.62
2001	34.62
2002	34.58
2003	34.58
2004	34.58
2005	34.58
2006	34.58
2007	34.58
2008	34.8
2009	34.8
2010	34.8
2011	34.8
2012	34.8
2013	34.78
2014	34.78
2015	34.78
2016	34.78
2017	34.81
2018	34.81
2019	34.81
2020	34.81
2021	34.81