| Value | Category | Cases | |
|---|---|---|---|
| 0 | No, never | 235 |
78.1%
|
| 1 | Only occassionaly | 40 |
13.3%
|
| 2 | Yes, quite often | 13 |
4.3%
|
| 3 | Yes, most of the time | 13 |
4.3%
|
| Sysmiss | 19 |