| Value | Category | Cases | |
|---|---|---|---|
| 1 | At least once a day | 6278 |
29.7%
|
| 2 | At least once a week | 5750 |
27.2%
|
| 3 | At least once a month | 3505 |
16.6%
|
| 4 | Never | 5572 |
26.4%
|
| 9 | Unspecified | 16 |
0.1%
|