| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
0.1%
|
| 6 | 50 |
2%
|
|
| 7 | 11 |
0.4%
|
|
| 8 | 36 |
1.4%
|
|
| 9 | 44 |
1.7%
|
|
| 10 | 216 |
8.5%
|
|
| 11 | 168 |
6.6%
|
|
| 12 | 2008 |
79.2%
|