| Valeur | Modalité | Cas | |
|---|---|---|---|
| 1 | 6 |
2.6%
|
|
| 2 | 6 |
2.6%
|
|
| 3 | 5 |
2.1%
|
|
| 10 | 3 |
1.3%
|
|
| 15 | 2 |
0.9%
|
|
| 20 | 2 |
0.9%
|
|
| 99 | Ne sait pas | 1 |
0.4%
|
| Sysmiss | 208 |