Year	%
1993	100
1994	100
1995	97.78856
1999	99.94681
2000	99.97188
2001	99.78924
2002	99.84217
2003	99.99771
2004	99.85791
2005	99.77961
2006	99.27405
2007	99.2473
2008	99.72651
2009	99.35527
2010	99.33742
2011	99.20375
2012	99.67728
2013	99.71331
2014	99.97633
2015	99.95724
2016	99.94707