| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 17 | 1 |
0.3%
|
|
| 50 | 12 |
3.2%
|
|
| 60 | 1 |
0.3%
|
|
| 70 | 21 |
5.6%
|
|
| 80 | 19 |
5.1%
|
|
| 85 | 5 |
1.3%
|
|
| 90 | 8 |
2.1%
|
|
| 95 | 3 |
0.8%
|
|
| 100 | 305 |
81.3%
|