Year SinkerChangeCutter
2012 8.96 8.24 -0.16
2013 9.29 7.57 -0.41
2014 9.53 7.38 -0.33
2015 8.88 6.78 0.61
2016 8.96 7.56 0.52
2017 8.90 7.19 0.67