| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
0.7%
|
| 1 | Yes, fully | 86 |
57.3%
|
| 2 | Yes, partially | 10 |
6.7%
|
| 3 | No | 53 |
35.3%
|