Year	%
1997	120.52
2001	120.52
2002	120.52
2003	120.52
2004	120.56
2005	120.56
2006	120.56
2007	120.55
2008	120.55
2009	120.55
2010	120.55
2011	120.55
2012	120.45
2013	120.45
2015	120.45
2016	120.45
2018	120.44
2020	120.44
2021	120.44