| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 13 |
0.9%
|
| 0 | 7 |
0.5%
|
|
| 10 | 1 |
0.1%
|
|
| 20 | 1 |
0.1%
|
|
| 50 | 11 |
0.8%
|
|
| 52 | 1 |
0.1%
|
|
| 70 | 1 |
0.1%
|
|
| 80 | 6 |
0.4%
|
|
| 85 | 1 |
0.1%
|
|
| 100 | 1374 |
97%
|