Year	%
1997	47.99
2000	47.99
2001	47.99
2002	47.68
2003	47.68
2005	47.68
2006	47.68
2007	47.68
2008	47.68
2009	47.68
2010	47.68
2011	47.68
2012	47.68
2014	47.68
2015	47.2
2016	47.2
2017	47.36
2019	47.36
2020	47.36
2021	47.36