aa_	count_n
0	0
1	71314
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
A	885
B	0
C	90
D	163
E	148
F	1440
G	823
H	72
I	1587
J	0
K	339
L	1970
M	204
N	535
O	0
P	373
Q	291
R	222
S	1006
T	728
U	0
V	1143
W	239
X	0
Y	431
Z	0