| Value | Category | Cases | |
|---|---|---|---|
| 1 | <1/2 heure | 48 |
16.4%
|
| 2 | 1/2 heure | 103 |
35.2%
|
| 3 | 1 heure | 68 |
23.2%
|
| 4 | > 1 heure | 74 |
25.3%
|
| Sysmiss | 3354 |