| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0. never | 1329 |
87.5%
|
| 1 | 1. once or twice | 45 |
3%
|
| 2 | 2. several times | 30 |
2%
|
| 3 | 3. most of the times | 115 |
7.6%
|
| Sysmiss | 44 |