| Value | Category | Cases | |
|---|---|---|---|
| -9 | 12 |
54.5%
|
|
| 1 | 1 |
4.5%
|
|
| 4 | 1 |
4.5%
|
|
| 5 | 1 |
4.5%
|
|
| 7 | 2 |
9.1%
|
|
| 8 | 1 |
4.5%
|
|
| 15 | 3 |
13.6%
|
|
| 20 | 1 |
4.5%
|
|
| Sysmiss | 193 |