| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | 216 |
56.8%
|
|
| 5 | 1 |
0.3%
|
|
| 10 | 3 |
0.8%
|
|
| 15 | 2 |
0.5%
|
|
| 20 | 1 |
0.3%
|
|
| 25 | 1 |
0.3%
|
|
| 35 | 1 |
0.3%
|
|
| 50 | 2 |
0.5%
|
|
| 60 | 2 |
0.5%
|
|
| 70 | 4 |
1.1%
|
|
| 75 | 5 |
1.3%
|
|
| 100 | 142 |
37.4%
|