| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | 243 |
93.8%
|
|
| 5 | 1 |
0.4%
|
|
| 6 | 1 |
0.4%
|
|
| 10 | 4 |
1.5%
|
|
| 20 | 4 |
1.5%
|
|
| 25 | 1 |
0.4%
|
|
| 40 | 3 |
1.2%
|
|
| 50 | 1 |
0.4%
|
|
| 75 | 1 |
0.4%
|