Year FourseamChangeCurve
2014 5.61 5.76 5.79
2015 5.63 5.78 5.76
2016 5.65 5.81 5.83
2017 5.54 5.70 5.70
2018 5.43 5.60 5.68
2019 5.24 5.40 5.37