| Value | Category | Cases | |
|---|---|---|---|
| 0 | never | 668 |
33.3%
|
| 1 | sometimes | 520 |
26%
|
| 2 | often | 304 |
15.2%
|
| 3 | always | 511 |
25.5%
|
| Sysmiss | 1 |