Year	%
1996	99.97
1999	100
2001	100
2002	100
2003	100
2006	99.95
2007	99.95
2008	99.95
2009	99.97
2010	99.97
2011	99.97
2012	99.97
2013	100
2014	100
2015	100
2016	100
2017	100
2018	100
2019	100
2020	100
2021	100