| Value | Category | Cases | |
|---|---|---|---|
| -9 | 13 |
2.1%
|
|
| 1 | 321 |
53%
|
|
| 2 | 233 |
38.4%
|
|
| 3 | 39 |
6.4%
|
|
| Sysmiss | 894 |