| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 8 |
7.2%
|
| 1 | Yes, fully | 39 |
35.1%
|
| 2 | Yes, partially | 6 |
5.4%
|
| 3 | No | 58 |
52.3%
|