aa_	count_n
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
A	6150
B	0
C	640
D	865
E	952
F	4561
G	5385
H	635
I	6381
J	0
K	1386
L	8814
M	2039
N	1480
O	0
P	2143
Q	1242
R	924
S	4151
T	3340
U	0
V	5078
W	1072
X	3
Y	1791
Z	0