| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. frequently | 534 |
25.2%
|
| 2 | 2. occasionally | 213 |
10%
|
| 3 | 3. never | 1333 |
62.8%
|
| 4 | 4. don’t know | 42 |
2%
|
| Sysmiss | 2071 |