| Value | Category | Cases | |
|---|---|---|---|
| 0 | nr | 0 |
0%
|
| 1 | at least once a day | 1977 |
66.4%
|
| 2 | at least once a week | 735 |
24.7%
|
| 3 | least often than once a week | 216 |
7.3%
|
| 4 | never | 47 |
1.6%
|
| 6 | 1 |
0%
|
|
| Sysmiss | 24 |