| Value | Category | Cases | |
|---|---|---|---|
| -2 | 4423 |
53.3%
|
|
| -1 | 1526 |
18.4%
|
|
| 1 | 670 |
8.1%
|
|
| 2 | 1676 |
20.2%
|
|
| Sysmiss | 515 |