| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
0.7%
|
| 1 | Yes, fully | 120 |
44.8%
|
| 2 | Yes, partially | 61 |
22.8%
|
| 3 | No | 85 |
31.7%
|