| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
0.6%
|
| 1 | Yes, fully | 68 |
43.6%
|
| 2 | Yes, partially | 31 |
19.9%
|
| 3 | No | 56 |
35.9%
|