| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
0.2%
|
| 0 | 596 |
97.9%
|
|
| 4 | 1 |
0.2%
|
|
| 5 | 2 |
0.3%
|
|
| 15 | 2 |
0.3%
|
|
| 30 | 3 |
0.5%
|
|
| 50 | 1 |
0.2%
|
|
| 57 | 1 |
0.2%
|
|
| 100 | 2 |
0.3%
|