| Value | Category | Cases | |
|---|---|---|---|
| -2 | 1 |
2.9%
|
|
| 0 | 9 |
26.5%
|
|
| 1 | 10 |
29.4%
|
|
| 2 | 10 |
29.4%
|
|
| 3 | 4 |
11.8%
|
|
| Sysmiss | 255 |