| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 7 |
1.9%
|
| 1 | Yes, fully | 326 |
90.6%
|
| 2 | Yes, partially | 19 |
5.3%
|
| 3 | No | 8 |
2.2%
|