| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | 151 |
97.4%
|
|
| 30 | 1 |
0.6%
|
|
| 60 | 1 |
0.6%
|
|
| 70 | 1 |
0.6%
|
|
| 100 | 1 |
0.6%
|