| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 32 |
21.2%
|
| -7 | Doesn't apply | 0 |
0%
|
| 0 | 7 |
4.6%
|
|
| 1 | 53 |
35.1%
|
|
| 2 | 25 |
16.6%
|
|
| 3 | 10 |
6.6%
|
|
| 4 | 11 |
7.3%
|
|
| 5 | 6 |
4%
|
|
| 6 | 1 |
0.7%
|
|
| 7 | 2 |
1.3%
|
|
| 8 | 1 |
0.7%
|
|
| 10 | 1 |
0.7%
|
|
| 20 | 1 |
0.7%
|
|
| 25 | 1 |
0.7%
|