Year	%
1999	97.49
2000	97.49
2001	97.49
2002	97.49
2004	97.16
2005	97.16
2006	97.16
2007	97.16
2008	96.86
2009	96.86
2010	96.86
2011	96.86
2012	95.95
2013	95.95
2014	95.95
2015	95.95
2016	95.95
2018	96.03
2019	96.03
2020	96.03
2021	96.03