| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 86 |
3.9%
|
| -6 | Still in process | 7 |
0.3%
|
| 1 | Yes | 797 |
36.4%
|
| 2 | No | 1299 |
59.3%
|