aa_	count_n
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
A	28985
B	0
C	7388
D	28814
E	29258
F	20760
G	29860
H	10984
I	32125
J	0
K	33331
L	43952
M	8941
N	24593
O	0
P	19517
Q	15861
R	20089
S	33121
T	25709
U	0
V	30061
W	5706
X	0
Y	16881
Z	0