aa_	count_n
0	0
1	150766
2	226429
3	0
4	0
5	0
6	0
7	0
8	0
9	0
A	10534
B	0
C	1655
D	1565
E	1669
F	7010
G	8633
H	1461
I	8826
J	0
K	1817
L	13689
M	4306
N	2378
O	0
P	4263
Q	2181
R	2288
S	6361
T	5788
U	0
V	8865
W	2828
X	0
Y	3058
Z	0