| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 24 |
1.6%
|
| 1 | Yes, fully | 1408 |
92.8%
|
| 2 | Yes, partially | 43 |
2.8%
|
| 3 | No | 43 |
2.8%
|