| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 5 |
3.4%
|
| 0 | 83 |
57.2%
|
|
| 2 | 1 |
0.7%
|
|
| 12 | 1 |
0.7%
|
|
| 20 | 3 |
2.1%
|
|
| 30 | 1 |
0.7%
|
|
| 38 | 1 |
0.7%
|
|
| 40 | 1 |
0.7%
|
|
| 50 | 5 |
3.4%
|
|
| 70 | 1 |
0.7%
|
|
| 80 | 3 |
2.1%
|
|
| 95 | 1 |
0.7%
|
|
| 100 | 39 |
26.9%
|