| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
0.7%
|
| 1 | Yes, fully | 67 |
43.8%
|
| 2 | Yes, partially | 20 |
13.1%
|
| 3 | No | 65 |
42.5%
|