Year	%
1995	83.42
1996	83.78
1997	83.78
1998	83.78
1999	83.78
2000	83.78
2001	83.78
2002	83.73
2003	83.73
2004	83.73
2005	83.73
2006	83.73
2007	83.73
2008	83.78
2009	83.78
2010	83.78
2011	83.78
2012	85.89
2013	85.89
2014	85.89
2015	85.89
2016	85.89
2017	85.89
2018	85.89
2019	85.61
2020	85.61
2021	85.61