| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
0.3%
|
| 1 | Yes, fully | 711 |
98.3%
|
| 2 | Yes, partially | 4 |
0.6%
|
| 3 | No | 6 |
0.8%
|