aa_ count_n 0 0 1 179670 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 A 39361 B 0 C 4218 D 40956 E 50736 F 23653 G 29978 H 11391 I 38929 J 0 K 52718 L 64711 M 9770 N 50885 O 0 P 31908 Q 30215 R 27736 S 88296 T 46496 U 0 V 32412 W 3127 X 0 Y 15422 Z 0