| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 7 |
0.4%
|
| -6 | Still in process | 6 |
0.3%
|
| 1 | Yes | 354 |
20.5%
|
| 2 | No | 1358 |
78.7%
|