| Value | Category | Cases | |
|---|---|---|---|
| 13 | 3 |
37.5%
|
|
| 20 | 3 |
37.5%
|
|
| 21 | 1 |
12.5%
|
|
| 30 | 1 |
12.5%
|
|
| Sysmiss | 21 |