ins_size	fq
0	22013
1	1313
2	56
3	16
4	13
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	3
13	0
14	0
15	0
16	0
17	0
18	0
19	0
20	0
21	0
22	0
23	0
24	0
25	0
26	0
27	1