| Value | Category | Cases | |
|---|---|---|---|
| -9 | 28 |
8.7%
|
|
| -7 | 17 |
5.3%
|
|
| 1 | 59 |
18.3%
|
|
| 2 | 91 |
28.3%
|
|
| 3 | 101 |
31.4%
|
|
| 4 | 26 |
8.1%
|
|
| Sysmiss | 80 |