Year	%
2001	82.56
2002	82.2
2004	82.2
2005	82.2
2006	82.2
2007	81.02
2008	81.02
2009	81.02
2010	81.02
2011	81.02
2012	70.65
2013	70.65
2014	70.65
2015	70.65
2016	70.65
2017	71.04
2018	71.04
2019	70.98
2020	70.98
2021	70.98