| Value | Category | Cases | |
|---|---|---|---|
| 1 | one month or less | 1028 |
36.7%
|
| 2 | 2 months | 892 |
31.8%
|
| 3 | 3 months | 307 |
10.9%
|
| 4 | 4 months | 132 |
4.7%
|
| 5 | 5 months | 71 |
2.5%
|
| 6 | 6 months | 64 |
2.3%
|
| 7 | 7 months and more | 310 |
11.1%
|