| Value | Category | Cases | |
|---|---|---|---|
| 0 | nr | 0 |
0%
|
| 1 | at least once a day | 77 |
2.7%
|
| 2 | at least once a week | 65 |
2.2%
|
| 3 | least often than once a week | 60 |
2.1%
|
| 4 | never | 2687 |
93%
|
| Sysmiss | 111 |