| Value | Category | Cases | |
|---|---|---|---|
| 0 | never | 1449 |
72.3%
|
| 1 | only once | 106 |
5.3%
|
| 2 | sometimes | 297 |
14.8%
|
| 3 | often | 151 |
7.5%
|
| Sysmiss | 1 |