| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | never | 9325 |
96.1%
|
| 1 | often | 74 |
0.8%
|
| 2 | sometimes | 159 |
1.6%
|
| 3 | yes, but not in the last 12 months | 144 |
1.5%
|
| 4 | yes, but frequency in last 12 months missing | 0 |
0%
|
| Sysmiss | 7957 |