| Value | Category | Cases | |
|---|---|---|---|
| -9 | Manquante | 3 |
21.4%
|
| 0 | 7 |
50%
|
|
| 1 | 2 |
14.3%
|
|
| 3 | 1 |
7.1%
|
|
| 6 | 1 |
7.1%
|
|
| Sysmiss | 242 |