aa_	count_n
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
A	128865
B	0
C	15906
D	69803
E	78083
F	52973
G	100136
H	30900
I	81551
J	0
K	59816
L	144549
M	34420
N	53666
O	0
P	60153
Q	60192
R	75245
S	79104
T	73436
U	0
V	95906
W	20757
X	0
Y	38714
Z	0