| Value | Category | Cases | |
|---|---|---|---|
| 0 | nr | 0 |
0%
|
| 1 | at least once a day | 2066 |
69.8%
|
| 2 | at least once a week | 606 |
20.5%
|
| 3 | least often than once a week | 269 |
9.1%
|
| 4 | never | 18 |
0.6%
|
| Sysmiss | 41 |