| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0. never | 1149 |
75.6%
|
| 1 | 1. once or twice | 63 |
4.1%
|
| 2 | 2. several times | 56 |
3.7%
|
| 3 | 3. most of the times | 251 |
16.5%
|
| Sysmiss | 44 |