12.0≤D＜12.49, 12.5≤D＜13.49, 13.5≤D≤14.5, 14.51＜D≤15.5, 15.51＜D≤16.5, 16.51＜D≤17.5, 17.51＜D≤18.5, 18.51＜D≤19.5, 19.51＜D≤20.5, 20.51＜D≤21.5, 21.51＜D≤22.8, 22.81＜D≤23.8, 23.81＜D≤24.8, 24.81＜D≤25.8, 25.81＜D≤26.8, 26.81＜D≤27.8, 27.81＜D≤28.8, 28.81＜D≤29.8, 29.81＜D≤30.8, 30.81＜D≤32.0