| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. frequently | 202 |
9.5%
|
| 2 | 2. occasionally | 364 |
17.2%
|
| 3 | 3. never | 1477 |
69.6%
|
| 4 | 4. don’t know | 79 |
3.7%
|
| Sysmiss | 2071 |