| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 30 |
30.9%
|
| 1 | 5 |
5.2%
|
|
| 2 | 4 |
4.1%
|
|
| 3 | 11 |
11.3%
|
|
| 4 | 13 |
13.4%
|
|
| 5 | 11 |
11.3%
|
|
| 6 | 8 |
8.2%
|
|
| 7 | 9 |
9.3%
|
|
| 8 | 2 |
2.1%
|
|
| 9 | 3 |
3.1%
|
|
| 11 | 1 |
1%
|