| Value | Category | Cases | |
|---|---|---|---|
| -9 | 145 |
45%
|
|
| -7 | 11 |
3.4%
|
|
| 1 | 17 |
5.3%
|
|
| 2 | 36 |
11.2%
|
|
| 3 | 37 |
11.5%
|
|
| 4 | 76 |
23.6%
|
|
| Sysmiss | 80 |