| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 23 |
100%
|
| -7 | Does not apply | 0 | |
| 1 | One day or less | 0 | |
| 2 | 0 | ||
| 3 | 0 | ||
| 4 | 0 | ||
| 5 | 0 | ||
| 6 | 0 | ||
| 7 | 0 | ||
| 8 | 0 | ||
| 10 | 0 | ||
| 12 | 0 | ||
| 14 | 0 | ||
| 15 | 0 | ||
| 17 | 0 | ||
| 20 | 0 | ||
| 21 | 0 | ||
| 25 | 0 | ||
| 30 | 0 | ||
| 35 | 0 | ||
| 40 | 0 | ||
| 50 | 0 | ||
| 80 | 0 | ||
| 85 | 0 | ||
| 90 | 0 | ||
| 99 | 0 |