| Value | Category | Cases | |
|---|---|---|---|
| 1 | No | 1420 |
3.1%
|
| 2 | Scarcely | 6031 |
13.2%
|
| 3 | Often | 26976 |
59.1%
|
| 4 | Always | 11248 |
24.6%
|
| Sysmiss | 24961 |