| Value | Category | Cases | |
|---|---|---|---|
| 1 | Almost every day | 3578 |
23.6%
|
| 2 | At least once a week | 3480 |
22.9%
|
| 3 | Less than once a week | 2468 |
16.3%
|
| 4 | Not at all | 5638 |
37.1%
|
| 9 | Missing | 16 |
0.1%
|
| Sysmiss | 1334 |