| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 = servis en premier | 65 |
44.5%
|
| 2 | 2 = servis en second | 30 |
20.5%
|
| 3 | 3 = servis en troisième | 19 |
13%
|
| 4 | 4 = servis en quatrième | 3 |
2.1%
|
| 5 | 5 = Non applicable | 29 |
19.9%
|
| Sysmiss | 1719 |