aa_	count_n
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
A	36194
B	0
C	2796
D	15347
E	18987
F	15412
G	30828
H	4676
I	25142
J	0
K	12135
L	47902
M	6446
N	13368
O	0
P	18201
Q	18094
R	14692
S	21931
T	21439
U	0
V	26876
W	5427
X	0
Y	8594
Z	0