aa_	count_n
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
A	1861
B	0
C	231
D	1219
E	1440
F	1028
G	1557
H	521
I	1642
J	0
K	1818
L	2259
M	450
N	1184
O	0
P	861
Q	1116
R	861
S	1220
T	1274
U	0
V	1649
W	190
X	0
Y	774
Z	0