aa_	count_n
0	0
1	23164
2	58877
3	10737
4	12435
5	0
6	0
7	0
8	0
9	0
A	1019
B	0
C	126
D	666
E	859
F	680
G	346
H	289
I	869
J	0
K	1319
L	1574
M	214
N	839
O	0
P	101
Q	873
R	721
S	678
T	543
U	0
V	652
W	122
X	0
Y	479
Z	0