| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
0.9%
|
| 0 | 66 |
57.9%
|
|
| 1 | 9 |
7.9%
|
|
| 2 | 21 |
18.4%
|
|
| 3 | 5 |
4.4%
|
|
| 4 | 3 |
2.6%
|
|
| 5 | 2 |
1.8%
|
|
| 6 | 1 |
0.9%
|
|
| 7 | 2 |
1.8%
|
|
| 10 | 1 |
0.9%
|
|
| 20 | 2 |
1.8%
|
|
| 41 | 1 |
0.9%
|