Year FourseamChangeCurve
2010 4.98 4.44 5.12
2011 5.10 0.00 5.20
2012 5.05 0.00 5.11
2013 5.07 0.00 5.15
2014 5.11 0.00 5.22
2015 5.02 4.96 5.10
2016 4.88 0.00 4.99