| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 5 |
3.3%
|
| 0 | 121 |
80.7%
|
|
| 1 | 4 |
2.7%
|
|
| 2 | 2 |
1.3%
|
|
| 4 | 2 |
1.3%
|
|
| 5 | 4 |
2.7%
|
|
| 6 | 1 |
0.7%
|
|
| 10 | 1 |
0.7%
|
|
| 11 | 2 |
1.3%
|
|
| 12 | 2 |
1.3%
|
|
| 20 | 2 |
1.3%
|
|
| 50 | 3 |
2%
|
|
| 70 | 1 |
0.7%
|