| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 17 |
1.3%
|
| -6 | Still in process | 11 |
0.8%
|
| 1 | Yes | 221 |
16.7%
|
| 2 | No | 1073 |
81.2%
|