| Value | Category | Cases | |
|---|---|---|---|
| 1 | No | 1719 |
3.8%
|
| 2 | Scarcely | 6829 |
15%
|
| 3 | Often | 29347 |
64.2%
|
| 4 | Always | 7782 |
17%
|
| Sysmiss | 24959 |