Year FourseamChangeSliderCurve
2007 94.93 82.80 0.00 80.63
2008 94.60 84.56 85.77 81.73
2009 96.34 84.60 88.51 80.77
2010 96.13 86.56 87.86 80.18
2011 95.75 87.16 86.33 80.14
2012 95.23 86.44 85.13 80.20
2013 94.54 85.10 87.09 80.11
2014 93.30 84.35 86.39 79.99