Year	%
2000	100
2001	99.21174
2002	98.88493
2003	100
2004	100
2005	100
2006	99.90012
2007	99.87867
2008	100
2009	100
2010	100
2011	100
2012	100
2013	100
2014	100
2015	100
2016	100
2017	100