Year	%
2001	36.53
2002	36.53
2003	35.15
2004	35.15
2005	35.15
2006	35.15
2007	34.06
2008	34.06
2009	34.06
2010	34.06
2011	34.06
2012	34.06
2013	34.06
2014	34.06
2015	33.85
2016	33.85
2017	33.84
2018	33.84
2019	33.84
2020	33.84
2021	33.84