| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 5 |
4.9%
|
| 1 | Yes, fully | 23 |
22.3%
|
| 2 | Yes, partially | 15 |
14.6%
|
| 3 | No | 60 |
58.3%
|