| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | never | 3207 |
99.5%
|
| 1 | often | 3 |
0.1%
|
| 2 | sometimes | 6 |
0.2%
|
| 3 | yes, but not in the last 12 months | 6 |
0.2%
|
| 4 | yes, but frequency in last 12 months missing | 0 |
0%
|
| Sysmiss | 1475 |