| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1215 |
62.6%
|
| 2 | Occasionally | 395 |
20.4%
|
| 3 | Often | 178 |
9.2%
|
| 4 | Quite often | 152 |
7.8%
|
| Sysmiss | 44 |