| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 177 |
29.6%
|
| -8 | Refusal (spontaneous) | 302 |
50.5%
|
| 0 | 32 |
5.4%
|
|
| 1 | 1 |
0.2%
|
|
| 2 | 21 |
3.5%
|
|
| 3 | 13 |
2.2%
|
|
| 4 | 2 |
0.3%
|
|
| 5 | 22 |
3.7%
|
|
| 7 | 1 |
0.2%
|
|
| 10 | 27 |
4.5%
|