aa_	count_n
0	0
1	71314
2	12703
3	930
4	14442
5	10337
6	1327
7	0
8	0
9	0
A	479
B	0
C	42
D	545
E	617
F	541
G	293
H	94
I	705
J	0
K	1245
L	1092
M	72
N	877
O	0
P	246
Q	508
R	291
S	732
T	538
U	0
V	554
W	43
X	0
Y	225
Z	0