| Value | Category | Cases | |
|---|---|---|---|
| -8 | 62 |
7.2%
|
|
| 1 | 305 |
35.5%
|
|
| 2 | 299 |
34.8%
|
|
| 3 | 96 |
11.2%
|
|
| 4 | 96 |
11.2%
|
|
| Sysmiss | 3302 |