| Value | Category | Cases | |
|---|---|---|---|
| -2 | 2680 |
27.5%
|
|
| -1 | 38 |
0.4%
|
|
| 1 | 6271 |
64.2%
|
|
| 2 | 625 |
6.4%
|
|
| 3 | 87 |
0.9%
|
|
| 4 | 61 |
0.6%
|
|
| Sysmiss | 33925 |