aa_	count_n
0	0
1	44299
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
A	8158
B	0
C	702
D	4582
E	7970
F	6065
G	6335
H	1540
I	8112
J	0
K	10508
L	14758
M	1740
N	7204
O	0
P	3090
Q	4439
R	2714
S	8454
T	4999
U	0
V	6003
W	539
X	8
Y	3189
Z	0