| Value | Category | Cases | |
|---|---|---|---|
| -2 | 11 |
0.5%
|
|
| -1 | 54 |
2.6%
|
|
| 0 | 912 |
44.1%
|
|
| 1 | 739 |
35.7%
|
|
| 2 | 352 |
17%
|
|
| Sysmiss | 20378 |