| Value | Category | Cases | |
|---|---|---|---|
| 1 | Always/ often | 2400 |
10.4%
|
| 2 | Sometimes | 8206 |
35.6%
|
| 3 | Rare | 4526 |
19.6%
|
| 4 | Never | 7910 |
34.3%
|
| Sysmiss | 24027 |