| Value | Category | Cases | |
|---|---|---|---|
| -2 | 13 |
0.6%
|
|
| -1 | 21 |
1%
|
|
| 0 | 462 |
22.4%
|
|
| 1 | 816 |
39.5%
|
|
| 2 | 752 |
36.4%
|
|
| Sysmiss | 20382 |