| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | never | 3133 |
94.7%
|
| 1 | often | 43 |
1.3%
|
| 2 | sometimes | 95 |
2.9%
|
| 3 | yes, but not in the last 12 months | 36 |
1.1%
|
| 4 | yes, but frequency in last 12 months missing | 0 |
0%
|
| Sysmiss | 12407 |