| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Frequency | 127 |
52%
|
| 3 | 3. Only if needed | 25 |
10.2%
|
| 6 | 6. Never | 90 |
36.9%
|
| 9 | 9. Missing | 2 |
0.8%
|
| Sysmiss | 1 |