| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 11 |
0.8%
|
| 1 | Yes, fully | 1285 |
90.7%
|
| 2 | Yes, partially | 69 |
4.9%
|
| 3 | No | 51 |
3.6%
|