aa_	count_n
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
A	15880
B	0
C	1786
D	11821
E	13512
F	13318
G	13136
H	4298
I	15703
J	0
K	20369
L	24590
M	3092
N	14815
O	0
P	8334
Q	12758
R	8281
S	15420
T	14196
U	0
V	15402
W	2838
X	2
Y	7677
Z	0