aa_	count_n
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
A	2323
B	0
C	414
D	2138
E	2409
F	2116
G	2045
H	672
I	3385
J	0
K	3757
L	4081
M	572
N	2751
O	0
P	1173
Q	1773
R	1240
S	2334
T	2047
U	0
V	2498
W	335
X	0
Y	1224
Z	0