aa_	count_n
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
A	9622
B	0
C	1433
D	9858
E	17757
F	7551
G	11101
H	1621
I	22200
J	0
K	21895
L	19474
M	2724
N	10121
O	0
P	4884
Q	1907
R	5609
S	8240
T	6727
U	0
V	12113
W	865
X	29
Y	7534
Z	0