| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | 19 |
17.1%
|
|
| 60 | 1 |
0.9%
|
|
| 80 | 1 |
0.9%
|
|
| 100 | 90 |
81.1%
|