aa_	count_n
0	0
1	88077
2	0
3	222534
4	0
5	0
6	0
7	0
8	0
9	0
A	57360
B	0
C	8115
D	37164
E	44138
F	30045
G	50438
H	15368
I	44707
J	0
K	31815
L	78426
M	16066
N	29691
O	0
P	37529
Q	40780
R	38386
S	41676
T	38800
U	0
V	47052
W	12235
X	0
Y	23048
Z	0