| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | 179 |
71.6%
|
|
| 3 | 3 |
1.2%
|
|
| 4 | 1 |
0.4%
|
|
| 5 | 4 |
1.6%
|
|
| 10 | 10 |
4%
|
|
| 15 | 8 |
3.2%
|
|
| 20 | 13 |
5.2%
|
|
| 25 | 3 |
1.2%
|
|
| 30 | 2 |
0.8%
|
|
| 38 | 1 |
0.4%
|
|
| 40 | 1 |
0.4%
|
|
| 45 | 1 |
0.4%
|
|
| 60 | 2 |
0.8%
|
|
| 90 | 1 |
0.4%
|
|
| 100 | 21 |
8.4%
|