aa_	count_n
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	140272
A	72232
B	0
C	9780
D	46688
E	54357
F	36829
G	63859
H	18233
I	55905
J	0
K	38665
L	95913
M	19110
N	37007
O	0
P	46004
Q	49810
R	46590
S	51351
T	48894
U	0
V	59407
W	14684
X	0
Y	27860
Z	0