| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
0.3%
|
| 1 | Yes, fully | 123 |
35.7%
|
| 2 | Yes, partially | 60 |
17.4%
|
| 3 | No | 161 |
46.7%
|