Year	%
1993	100
1994	99.98076
1995	99.8438
1996	100
1999	100
2000	100
2001	99.93524
2002	100
2003	99.81882
2004	100
2005	99.81792
2006	99.53468
2007	99.83966
2013	100
2014	100
2015	100
2016	100