| Value | Category | Cases | |
|---|---|---|---|
| 1 | <30mn | 720 |
23.5%
|
| 2 | 30-90mn | 372 |
12.2%
|
| 3 | >90mn | 141 |
4.6%
|
| 4 | Don't know | 1825 |
59.7%
|