aa_	count_n
0	0
1	23164
2	58877
3	10737
4	12435
5	0
6	0
7	12984
8	0
9	0
A	161
B	0
C	40
D	115
E	236
F	287
G	92
H	77
I	327
J	0
K	338
L	359
M	57
N	339
O	0
P	35
Q	231
R	126
S	285
T	340
U	0
V	274
W	61
X	0
Y	203
Z	0