| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. frequently | 168 |
7.9%
|
| 2 | 2. occasionally | 460 |
21.7%
|
| 3 | 3. never | 1441 |
67.9%
|
| 4 | 4. don’t know | 53 |
2.5%
|
| Sysmiss | 2071 |