size	number	percentage of the total overlap number
1	4	2.16
2	7	3.78
3	2	1.08
4	3	1.62
5	7	3.78
6	11	5.95
7	4	2.16
8	10	5.41
9	6	3.24
10	51	27.57
11	9	4.86
12	10	5.41
13	5	2.70
14	9	4.86
15	5	2.70
16	6	3.24
17	7	3.78
18	6	3.24
19	9	4.86
20	0	0.00
21	9	4.86
22	2	1.08
23	3	1.62
