| Value | Category | Cases | |
|---|---|---|---|
| -97 | 5 |
33.3%
|
|
| 4 | 3 |
20%
|
|
| 12 | 2 |
13.3%
|
|
| 15 | 2 |
13.3%
|
|
| 18 | 2 |
13.3%
|
|
| 20 | 1 |
6.7%
|
|
| Sysmiss | 1958 |