| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 3 |
2.6%
|
| 1 | Yes, fully | 50 |
43.9%
|
| 2 | Yes, partially | 18 |
15.8%
|
| 3 | No | 43 |
37.7%
|