| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 26 |
1.2%
|
| 1 | Yes, fully | 2148 |
98.1%
|
| 2 | Yes, partially | 9 |
0.4%
|
| 3 | No | 6 |
0.3%
|