| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0. never | 1450 |
95.5%
|
| 1 | 1. sometimes | 62 |
4.1%
|
| 2 | 2. often | 5 |
0.3%
|
| 3 | 3. every day | 2 |
0.1%
|
| Sysmiss | 44 |