| Value | Category | Cases | |
|---|---|---|---|
| 1 | one month or less | 31 |
59.6%
|
| 2 | 2 months | 7 |
13.5%
|
| 3 | 3 months | 3 |
5.8%
|
| 4 | 4 months | 1 |
1.9%
|
| 5 | 5 months | 3 |
5.8%
|
| 6 | 6 months | 2 |
3.8%
|
| 7 | 7 months and more | 5 |
9.6%
|