| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 45 |
12.5%
|
| -8 | Refusal (spontaneous) | 19 |
5.3%
|
| 5 | 1 |
0.3%
|
|
| 6 | 99 |
27.5%
|
|
| 7 | 39 |
10.8%
|
|
| 8 | 13 |
3.6%
|
|
| 9 | 26 |
7.2%
|
|
| 10 | 118 |
32.8%
|