| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
0.6%
|
| 1 | Yes, fully | 140 |
43.8%
|
| 2 | Yes, partially | 103 |
32.2%
|
| 3 | No | 75 |
23.4%
|