| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. frequently | 315 |
14.8%
|
| 2 | 2. occasionally | 670 |
31.6%
|
| 3 | 3. never | 1094 |
51.6%
|
| 4 | 4. don’t know | 43 |
2%
|
| Sysmiss | 2071 |