| Valeur | Modalité | Cas | |
|---|---|---|---|
| 0 | SO | 779 |
26.6%
|
| 1 | Oui | 430 |
14.7%
|
| 2 | Non | 1703 |
58.2%
|
| 9 | ND | 12 |
0.4%
|