| Value | Category | Cases | |
|---|---|---|---|
| 8 | 6 |
22.2%
|
|
| 9 | 11 |
40.7%
|
|
| 10 | 8 |
29.6%
|
|
| 11 | 2 |
7.4%
|
|
| Sysmiss | 31 |