| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 2081 |
69%
|
| 1 | Sometimes | 759 |
25.2%
|
| 3 | often | 98 |
3.2%
|
| 5 | Very often | 79 |
2.6%
|
| 11 | .R | 7 | |
| Sysmiss | 2199 |