| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 36 |
31.6%
|
| -8 | Refusal (spontaneous) | 19 |
16.7%
|
| 1 | 1 |
0.9%
|
|
| 2 | 1 |
0.9%
|
|
| 15 | 1 |
0.9%
|
|
| 18 | 1 |
0.9%
|
|
| 20 | 8 |
7%
|
|
| 25 | 17 |
14.9%
|
|
| 27 | 1 |
0.9%
|
|
| 30 | 11 |
9.6%
|
|
| 31 | 1 |
0.9%
|
|
| 33 | 1 |
0.9%
|
|
| 35 | 9 |
7.9%
|
|
| 40 | 3 |
2.6%
|
|
| 43 | 2 |
1.8%
|
|
| 90 | 1 |
0.9%
|
|
| 100 | 1 |
0.9%
|