| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | 137 |
89.5%
|
|
| 30 | 1 |
0.7%
|
|
| 40 | 2 |
1.3%
|
|
| 50 | 1 |
0.7%
|
|
| 60 | 1 |
0.7%
|
|
| 70 | 1 |
0.7%
|
|
| 75 | 1 |
0.7%
|
|
| 80 | 2 |
1.3%
|
|
| 100 | 7 |
4.6%
|