| Value | Category | Cases | |
|---|---|---|---|
| -9 | 1 |
2.3%
|
|
| 1 | 9 |
20.9%
|
|
| 2 | 8 |
18.6%
|
|
| 3 | 25 |
58.1%
|
|
| Sysmiss | 166 |