| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 20 |
3.3%
|
| 1 | Yes, fully | 132 |
22.1%
|
| 2 | Yes, partially | 124 |
20.7%
|
| 3 | No | 322 |
53.8%
|