| Value | Category | Cases | |
|---|---|---|---|
| 1 | one month or less | 12 |
57.1%
|
| 2 | 2 months | 1 |
4.8%
|
| 3 | 3 months | 5 |
23.8%
|
| 4 | 4 months | 1 |
4.8%
|
| 5 | 5 months | 0 |
0%
|
| 6 | 6 months | 0 |
0%
|
| 7 | 7 months and more | 2 |
9.5%
|