| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 13 |
1.8%
|
| 1 | Yes, fully | 344 |
48.2%
|
| 2 | Yes, partially | 86 |
12.1%
|
| 3 | No | 270 |
37.9%
|