Some stats about the number of days it takes for a spammer to return. days: count
0: 212
1: 20
2: 13
3: 5
4: 4
5: 2
6: 2
7: 3
8: 2
9: 1
10: 1
11: 1
12: 3
16: 2
17: 1
19: 1
20: 1
21: 2
27: 1