Year	%
2001	61.6
2004	61.44
2005	61.44
2006	61.44
2007	61.27
2008	61.27
2009	61.27
2010	61.27
2011	61.27
2012	61.31
2013	61.31
2014	61.31
2015	61.31
2016	61.31
2017	61.33
2018	61.33
2019	61.33
2020	61.33
2021	61.33