| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0. never | 1318 |
92.2%
|
| 1 | 1. sometimes | 103 |
7.2%
|
| 2 | 2. often | 6 |
0.4%
|
| 3 | 3. every day | 2 |
0.1%
|
| Sysmiss | 134 |