| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 123 |
0.7%
|
| -6 | Still in process | 57 |
0.3%
|
| 1 | Yes | 6616 |
35.5%
|
| 2 | No | 11861 |
63.6%
|