| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 71 |
100%
|
| -8 | Refusal (spontaneous) | 0 | |
| 1 | 0 | ||
| 2 | 0 | ||
| 3 | 0 | ||
| 4 | 0 | ||
| 5 | 0 | ||
| 6 | 0 | ||
| 7 | 0 | ||
| 8 | 0 | ||
| 9 | 0 | ||
| 10 | 0 | ||
| 12 | 0 | ||
| 14 | 0 | ||
| 15 | 0 |