| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 252 |
97.3%
|
| 1 | Hardly ever | 3 |
1.2%
|
| 2 | Sometimes | 3 |
1.2%
|
| 3 | Yes, quite often | 1 |
0.4%
|
| Sysmiss | 61 |