Year FourseamChangeCurveCutter
2011 6.18 6.22 6.24 0.00
2012 6.32 6.34 6.40 0.00
2013 6.36 6.36 6.42 0.00
2014 6.32 6.35 6.40 6.28
2015 6.04 6.09 6.17 6.00