| Value | Category | Cases | |
|---|---|---|---|
| 1 | <30mn | 2228 |
72.9%
|
| 2 | 30-90mn | 338 |
11.1%
|
| 3 | >90mn | 86 |
2.8%
|
| 4 | Don't know | 406 |
13.3%
|