aa_	count_n
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
A	41432
B	1
C	5220
D	25187
E	32827
F	22580
G	33553
H	10382
I	35772
J	0
K	32026
L	53097
M	10697
N	24717
O	0
P	18824
Q	23427
R	22737
S	29520
T	26319
U	0
V	33667
W	5708
X	36
Y	15870
Z	0