| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | Never | 26808 |
48.2%
|
| 1 | Once or twice | 22516 |
40.4%
|
| 2 | More Often | 5977 |
10.7%
|
| 9 | 366 |
0.7%
|
|
| Sysmiss | 511 |