| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 100 |
18.1%
|
| -7 | Does not apply (spontaneous) | 38 |
6.9%
|
| 1 | Yes | 69 |
12.5%
|
| 2 | No | 347 |
62.6%
|