aa_	count_n
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
A	34226
B	0
C	5503
D	23893
E	34367
F	27085
G	28845
H	10630
I	36004
J	0
K	44758
L	55989
M	9872
N	29330
O	0
P	16446
Q	18647
R	17285
S	34161
T	21991
U	0
V	27962
W	3536
X	15
Y	18494
Z	0