| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 = servis en premier | 22 |
15.1%
|
| 2 | 2 = servis en second | 47 |
32.2%
|
| 3 | 3 = servis en troisième | 47 |
32.2%
|
| 4 | 4 = servis en quatrième | 9 |
6.2%
|
| 5 | 5 = Non applicable | 21 |
14.4%
|
| Sysmiss | 1719 |