| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. frequently | 187 |
8.8%
|
| 2 | 2. occasionally | 286 |
13.5%
|
| 3 | 3. never | 1588 |
74.8%
|
| 4 | 4. don’t know | 61 |
2.9%
|
| Sysmiss | 2071 |