| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 1094 |
33.4%
|
| 1 | Sometimes | 1473 |
44.9%
|
| 2 | Often | 569 |
17.4%
|
| 3 | 143 |
4.4%
|
|
| Sysmiss | 11598 |