aa_	count_n
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
A	53633
B	0
C	5299
D	19093
E	21617
F	21585
G	40806
H	8251
I	33315
J	0
K	17692
L	59919
M	13881
N	16256
O	0
P	20418
Q	17710
R	21128
S	28942
T	27083
U	0
V	38602
W	7598
X	0
Y	12042
Z	0