| Value | Category | Cases | |
|---|---|---|---|
| 1 | one month or less | 90 |
73.2%
|
| 2 | 2 months | 21 |
17.1%
|
| 3 | 3 months | 2 |
1.6%
|
| 4 | 4 months | 4 |
3.3%
|
| 5 | 5 months | 1 |
0.8%
|
| 6 | 6 months | 3 |
2.4%
|
| 7 | 7 months and more | 2 |
1.6%
|