| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | Never | 2418 |
95.6%
|
| 1 | Often | 41 |
1.6%
|
| 2 | Sometimes | 47 |
1.9%
|
| 3 | Yes, but not in the last 12 months | 17 |
0.7%
|
| 4 | Yes, but frequency in last 12 months missing | 6 |
0.2%
|
| Sysmiss | 2800 |