| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. always | 0 |
0%
|
| 2 | 2. usually | 0 |
0%
|
| 3 | 3. sometimes | 0 |
0%
|
| 4 | 4. never | 1 |
100%
|
| 8 | 8. refused | 0 |
0%
|
| 9 | 9. don't know | 0 |
0%
|
| Sysmiss | 98 |