Year FourseamChangeCurve
2014 5.97 2.47 -4.27
2015 7.03 2.49 -3.62
2016 6.60 1.84 -4.35
2017 8.24 3.61 -2.20
2018 7.17 2.99 -3.23
2019 8.09 3.44 -3.65