Year FourseamChangeCurve
2010 -5.31 -8.84 6.34
2011 -5.56 0.00 5.61
2012 -5.62 0.00 7.11
2013 -5.18 0.00 6.45
2014 -5.50 0.00 5.51
2015 -5.10 -5.68 5.78
2016 -5.54 0.00 5.82
2017 -6.18 0.00 5.81
2018 -5.16 -7.66 6.21
2019 -5.85 0.00 4.92