| Value | Category | Cases | |
|---|---|---|---|
| -95 | Refused | 0 |
0%
|
| 1 | Very often | 108 |
4.4%
|
| 2 | Often | 350 |
14.1%
|
| 3 | Sometimes | 1647 |
66.4%
|
| 4 | Never | 372 |
15%
|
| r | 2 |
0.1%
|
|
| Sysmiss | 256 |