| Value | Category | Cases | |
|---|---|---|---|
| -9 | 1 |
3.2%
|
|
| 1 | 8 |
25.8%
|
|
| 2 | 10 |
32.3%
|
|
| 3 | 8 |
25.8%
|
|
| 4 | 4 |
12.9%
|
|
| Sysmiss | 184 |