| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Frequency | 13 |
54.2%
|
| 3 | 3. Only if needed | 1 |
4.2%
|
| 6 | 6. Never | 10 |
41.7%
|
| 9 | 9. Missing | 0 |
0%
|
| Sysmiss | 221 |