sub_count	fq
0	21491
1	884
2	143
3	707
4	127
5	14
6	7
7	3
8	3
9	4
10	3
11	0
12	1
13	0
14	0
15	0
16	2
17	0
18	0
19	0
20	0
21	0
22	0
23	0
24	0
25	0
26	0
27	1