| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 46 |
44.7%
|
| -8 | Refusal (spontaneous) | 6 |
5.8%
|
| 0 | 12 |
11.7%
|
|
| 1 | 1 |
1%
|
|
| 3 | 1 |
1%
|
|
| 8 | 1 |
1%
|
|
| 9 | 23 |
22.3%
|
|
| 10 | 13 |
12.6%
|