| Value | Category | Cases | |
|---|---|---|---|
| 1 | At least once a day | 9653 |
37.8%
|
| 2 | At least once a week | 6854 |
26.8%
|
| 3 | At least once a month | 2945 |
11.5%
|
| 4 | Less than once a month | 2015 |
7.9%
|
| 5 | Never | 3837 |
15%
|
| 9 | Unspecified | 261 |
1%
|