aa_	count_n
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
A	15981
B	31
C	3175
D	11479
E	11849
F	7629
G	14928
H	4225
I	10679
J	0
K	11278
L	15977
M	4037
N	8857
O	0
P	8897
Q	7141
R	9159
S	11414
T	11182
U	0
V	13399
W	2747
X	111
Y	6990
Z	13