aa_	count_n
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
A	4165
B	0
C	685
D	3775
E	4281
F	3858
G	3590
H	1198
I	6109
J	0
K	6888
L	7398
M	1023
N	5205
O	0
P	2116
Q	3320
R	2192
S	4343
T	3816
U	0
V	4468
W	575
X	0
Y	2275
Z	0