| Value | Category | Cases | |
|---|---|---|---|
| 6 | 1 |
12.5%
|
|
| 7 | 1 |
12.5%
|
|
| 12 | 3 |
37.5%
|
|
| 13 | 3 |
37.5%
|
|
| Sysmiss | 991 |