| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 27 |
2.8%
|
| 1 | Yes, fully | 708 |
72.3%
|
| 2 | Yes, partially | 132 |
13.5%
|
| 3 | No | 112 |
11.4%
|