| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 3 |
100%
|
| 1 | Less than one day | 0 | |
| 2 | 0 | ||
| 3 | 0 | ||
| 6 | 0 | ||
| 7 | 0 | ||
| 15 | 0 | ||
| 18 | 0 | ||
| 20 | 0 | ||
| 25 | 0 | ||
| 30 | 0 | ||
| 35 | 0 | ||
| 60 | 0 | ||
| 90 | 0 | ||
| 180 | 0 |