| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 11 |
1.1%
|
| 0 | 350 |
35.1%
|
|
| 4 | 1 |
0.1%
|
|
| 10 | 1 |
0.1%
|
|
| 15 | 1 |
0.1%
|
|
| 20 | 1 |
0.1%
|
|
| 24 | 1 |
0.1%
|
|
| 30 | 1 |
0.1%
|
|
| 40 | 2 |
0.2%
|
|
| 50 | 6 |
0.6%
|
|
| 80 | 1 |
0.1%
|
|
| 100 | 622 |
62.3%
|