Year	%
2001	59.29
2002	59.29
2003	58.47
2004	58.47
2005	58.47
2006	58.47
2007	57.72
2008	57.72
2009	57.72
2010	57.72
2011	57.72
2012	57.72
2013	57.72
2014	57.72
2015	56.31
2016	56.31
2017	57.09
2018	57.09
2019	57.04
2020	57.04
2021	57.04