Class 31 (43)

Class 35 (29)

Class 21 (28)

Class 5 (25)

Class 25 (22)

Class 9 (20)

Class 16 (20)

Class 41 (16)

Class 32 (15)

Class 18 (14)

Class 42 (14)

Class 13 (12)

Class 30 (12)

Class 36 (11)

Class 29 (10)

Class 44 (10)

Class 10 (9)

Class 11 (9)

Class 43 (9)

Class 45 (9)

Class 20 (7)

Class 1 (6)

Class 7 (6)

Class 8 (5)

Class 40 (5)

Class 6 (4)

Class 33 (4)

Class 38 (4)

Class 39 (4)

Class 3 (3)

Class 14 (3)

Class 17 (3)

Class 37 (3)

Class 19 (2)

Class 12 (1)

Class 34 (1)

Class NaN (1)