| Value | Category | Cases | |
|---|---|---|---|
| 0 | never | 1466 |
73.2%
|
| 1 | only once | 132 |
6.6%
|
| 2 | sometimes | 253 |
12.6%
|
| 3 | often | 152 |
7.6%
|
| Sysmiss | 1 |