| Value | Category | Cases | |
|---|---|---|---|
| 4 | 1 |
7.1%
|
|
| 8 | 1 |
7.1%
|
|
| 12 | 2 |
14.3%
|
|
| 15 | 8 |
57.1%
|
|
| 20 | 2 |
14.3%
|
|
| Sysmiss | 1959 |