| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 22 |
14.2%
|
| -8 | Refusal (spontaneous) | 0 |
0%
|
| 0 | 11 |
7.1%
|
|
| 1 | 8 |
5.2%
|
|
| 2 | 34 |
21.9%
|
|
| 3 | 6 |
3.9%
|
|
| 4 | 1 |
0.6%
|
|
| 5 | 3 |
1.9%
|
|
| 7 | 4 |
2.6%
|
|
| 8 | 2 |
1.3%
|
|
| 10 | 6 |
3.9%
|
|
| 11 | 1 |
0.6%
|
|
| 20 | 1 |
0.6%
|
|
| 25 | 11 |
7.1%
|
|
| 26 | 1 |
0.6%
|
|
| 30 | 44 |
28.4%
|