| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 4 |
3.9%
|
| 1 | Yes, fully | 16 |
15.5%
|
| 2 | Yes, partially | 4 |
3.9%
|
| 3 | No | 79 |
76.7%
|