aa_	count_n
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
A	22576
B	0
C	1004
D	9653
E	12802
F	8213
G	18529
H	2036
I	14681
J	0
K	7391
L	30865
M	2889
N	8759
O	0
P	11297
Q	12341
R	9520
S	13961
T	13211
U	0
V	15768
W	2711
X	0
Y	4306
Z	0