| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | Never | 2438 |
96.5%
|
| 1 | Often | 25 |
1%
|
| 2 | Sometimes | 40 |
1.6%
|
| 3 | Yes, but not in the last 12 months | 19 |
0.8%
|
| 4 | Yes, but frequency in last 12 months missing | 5 |
0.2%
|
| 9 | 2 | ||
| Sysmiss | 2800 |