aa_	count_n
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
A	4494
B	0
C	197
D	2729
E	3742
F	3111
G	3301
H	640
I	3750
J	0
K	5511
L	6968
M	546
N	3709
O	0
P	2012
Q	3729
R	1670
S	4918
T	4190
U	0
V	3942
W	565
X	2
Y	1366
Z	0