Year FourseamChangeSliderCurve
2007 90.23 83.54 84.86 77.75
2010 91.24 84.58 86.86 78.78
2011 91.12 84.56 86.12 78.50
2012 91.14 84.76 86.69 77.92
2013 92.32 85.73 87.79 79.83
2014 93.00 86.65 88.13 80.64
2015 91.09 0.00 86.10 79.02