| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | 27 |
22.5%
|
|
| 50 | 1 |
0.8%
|
|
| 54 | 1 |
0.8%
|
|
| 60 | 1 |
0.8%
|
|
| 70 | 3 |
2.5%
|
|
| 90 | 5 |
4.2%
|
|
| 100 | 82 |
68.3%
|