aa_	count_n
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
A	2762
B	0
C	204
D	2335
E	3055
F	3317
G	1957
H	465
I	4361
J	0
K	5165
L	6292
M	380
N	4064
O	0
P	1359
Q	2683
R	1249
S	3848
T	2790
U	0
V	3122
W	363
X	0
Y	1288
Z	0