| Value | Category | Cases | |
|---|---|---|---|
| -2 | 1 |
2.9%
|
|
| 0 | 5 |
14.7%
|
|
| 1 | 19 |
55.9%
|
|
| 2 | 9 |
26.5%
|
|
| Sysmiss | 255 |