Year	%
1996	99.68
1997	99.68
1998	99.68
1999	99.68
2000	99.68
2001	99.68
2002	99.68
2003	99.68
2004	99.68
2005	100.05
2006	100.05
2007	99.42
2008	99.41
2010	100.65
2011	100.65
2012	98.57
2013	98.57
2015	99.24
2019	99.46
2021	99.46