| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
0.3%
|
| 1 | Yes, fully | 186 |
51.2%
|
| 2 | Yes, partially | 34 |
9.4%
|
| 3 | No | 142 |
39.1%
|