| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | Never | 6392 |
42.8%
|
| 1 | Once or twice | 6675 |
44.7%
|
| 2 | More Often | 1775 |
11.9%
|
| 9 | 91 |
0.6%
|
|
| Sysmiss | 111 |