| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
0.2%
|
| 0 | 594 |
99.3%
|
|
| 10 | 1 |
0.2%
|
|
| 35 | 1 |
0.2%
|
|
| 50 | 1 |
0.2%
|