| Value | Category | Cases | |
|---|---|---|---|
| -2 | 4446 |
53.6%
|
|
| -1 | 1510 |
18.2%
|
|
| 1 | 1446 |
17.4%
|
|
| 2 | 893 |
10.8%
|
|
| Sysmiss | 515 |