| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0. never | 859 |
60.1%
|
| 1 | 1. once or twice | 25 |
1.7%
|
| 2 | 2. several times | 88 |
6.2%
|
| 3 | 3. most of the time | 457 |
32%
|
| Sysmiss | 134 |