| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | 137 |
87.3%
|
|
| 5 | 3 |
1.9%
|
|
| 8 | 1 |
0.6%
|
|
| 10 | 4 |
2.5%
|
|
| 15 | 3 |
1.9%
|
|
| 20 | 4 |
2.5%
|
|
| 25 | 1 |
0.6%
|
|
| 40 | 2 |
1.3%
|
|
| 50 | 1 |
0.6%
|
|
| 80 | 1 |
0.6%
|