| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 8 |
1.2%
|
| 1 | Yes, fully | 397 |
61.6%
|
| 2 | Yes, partially | 112 |
17.4%
|
| 3 | No | 128 |
19.8%
|