| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0. never | 249 |
16.4%
|
| 1 | 1. once or twice | 51 |
3.4%
|
| 2 | 2. several times | 107 |
7%
|
| 3 | 3. most of the times | 1112 |
73.2%
|
| Sysmiss | 44 |