| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 8 |
5.3%
|
| 1 | Yes, fully | 55 |
36.4%
|
| 2 | Yes, partially | 31 |
20.5%
|
| 3 | No | 57 |
37.7%
|