aa_	count_n
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
A	16358
B	0
C	1571
D	7027
E	9442
F	8368
G	13082
H	2717
I	13806
J	0
K	9004
L	19874
M	4000
N	7067
O	0
P	6087
Q	6454
R	6189
S	10335
T	9107
U	0
V	12755
W	1934
X	8
Y	4740
Z	0