| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 15 |
2.1%
|
| 1 | Yes, fully | 337 |
46.2%
|
| 2 | Yes, partially | 85 |
11.7%
|
| 3 | No | 292 |
40.1%
|