| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 25 |
1.6%
|
| 1 | Yes, fully | 1366 |
90%
|
| 2 | Yes, partially | 56 |
3.7%
|
| 3 | No | 71 |
4.7%
|