| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0. never | 1369 |
94.2%
|
| 1 | 1. sometimes | 74 |
5.1%
|
| 2 | 2. often | 7 |
0.5%
|
| 3 | 3. every day | 4 |
0.3%
|
| Sysmiss | 109 |