| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 51 |
100%
|
| -7 | 0 | ||
| Not at all relevant | 0 | ||
| 1 | Of minor relevance | 0 | |
| 2 | Moderately relevant | 0 | |
| 3 | Of major relevance | 0 | |
| 4 | Of critical relevance | 0 |