| Valeur | Modalité | Cas | |
|---|---|---|---|
| 0 | SO | 779 |
26.6%
|
| 1 | Oui | 313 |
10.7%
|
| 2 | Non | 1828 |
62.5%
|
| 9 | ND | 4 |
0.1%
|