Year	%
1995	41.94
1996	41.89
1997	41.89
1998	41.89
1999	41.89
2000	41.89
2001	41.89
2002	41.85
2003	41.85
2004	41.85
2005	41.85
2006	41.85
2007	41.85
2008	42
2009	42
2010	42
2011	42
2012	42
2013	42.71
2014	42.71
2015	42.71
2016	42.71
2017	42.84
2018	42.84
2019	42.84
2020	42.84
2021	42.84