ins_size	fq
0	19920
1	3
2	33
3	20
4	17
5	22
6	0
7	0
8	21
9	0
10	0
11	0
12	0
13	0
14	0
15	1
16	0
17	0
18	0
19	0
20	0
21	0
22	36
23	0
24	0
25	0
26	0
27	0
28	0
29	0
30	0
31	0
32	0
33	0
34	0
35	0
36	0
37	0
38	19