| Value | Category | Cases | |
|---|---|---|---|
| -16 | 4 |
5.1%
|
|
| -9 | 5 |
6.4%
|
|
| -8 | 3 |
3.8%
|
|
| 1 | 10 |
12.8%
|
|
| 2 | 56 |
71.8%
|
|
| Sysmiss | 324 |