aa_	count_n
0	0
1	23164
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
A	4260
B	0
C	186
D	2603
E	3585
F	3046
G	3161
H	615
I	3578
J	0
K	5301
L	6743
M	518
N	3593
O	0
P	1933
Q	3626
R	1606
S	4818
T	4055
U	0
V	3783
W	560
X	2
Y	1300
Z	0