| Value | Category | Cases | |
|---|---|---|---|
| 1 | very often (1 time per week) | 130 |
8.5%
|
| 2 | often (at least once a month) | 345 |
22.5%
|
| 3 | a few times (3-4 times in the year) | 464 |
30.3%
|
| 4 | rarely (1-2 times in the year) | 269 |
17.5%
|
| 5 | never | 320 |
20.9%
|
| 6 | other | 5 |
0.3%
|
| Sysmiss | 9906 |