Year FourseamChangeCurve
2014 91.16 82.41 79.25
2015 91.76 83.33 79.96
2016 91.01 83.15 77.59
2017 92.02 83.63 79.74
2018 92.16 83.56 78.74
2019 92.56 84.70 79.39