| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0. never | 1213 |
79.9%
|
| 1 | 1. once or twice | 178 |
11.7%
|
| 2 | 2. several times | 62 |
4.1%
|
| 3 | 3. most of the times | 66 |
4.3%
|
| Sysmiss | 44 |