aa_	count_n
0	0
1	179670
2	692989
3	151318
4	133753
5	0
6	0
7	0
8	0
9	0
A	11302
B	0
C	2072
D	9408
E	12217
F	6289
G	4345
H	3348
I	10274
J	0
K	14729
L	18794
M	3583
N	8812
O	0
P	1290
Q	7353
R	10817
S	11423
T	6526
U	0
V	7149
W	1689
X	0
Y	5607
Z	0