| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 month | 429 |
24.1%
|
| 2 | 2 month | 251 |
14.1%
|
| 3 | 3 month | 207 |
11.6%
|
| 4 | 4 month | 121 |
6.8%
|
| 5 | 5 month | 121 |
6.8%
|
| 6 | 6 month | 109 |
6.1%
|
| Missing value | 540 |
30.4%
|