| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
0.2%
|
| 0 | 617 |
99.2%
|
|
| 10 | 1 |
0.2%
|
|
| 27 | 1 |
0.2%
|
|
| 30 | 1 |
0.2%
|
|
| 50 | 1 |
0.2%
|