aa_	count_n
0	0
1	68990
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
A	7230
B	0
C	348
D	2684
E	3962
F	3223
G	5198
H	764
I	5861
J	0
K	3929
L	9218
M	1336
N	3004
O	0
P	2181
Q	3003
R	2505
S	4666
T	3707
U	0
V	5126
W	587
X	4
Y	1469
Z	0