Year FourseamChangeCurve
2014 10.01 10.64 -1.50
2015 8.63 10.02 -0.79
2016 9.61 10.46 -0.91
2017 8.31 10.10 -1.43
2018 8.07 9.54 -2.47
2019 8.13 9.80 -3.88