A 23.6 A 21.2 A 18.7 A 19.9 A 19.3 A 20.3 A 22.8 A 21.3 A 21.1 B 19.2 B 18.0 B 21.1 B 22.0 B 13.1 B 19.3 B 20.9 C 16.2 C 25.4 C 16.9 C 11.3 C 27.4 C 22.2 C 26.3 C 19.8 D 16.4 D 15.9 D 18.7 D 20.1 D 17.8 D 18.7 D 19.1