| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
0.2%
|
| 1 | Yes, fully | 340 |
35.2%
|
| 2 | Yes, partially | 260 |
26.9%
|
| 3 | No | 364 |
37.7%
|