| Value | Category | Cases | |
|---|---|---|---|
| -2 | 6 |
3.8%
|
|
| -1 | 37 |
23.7%
|
|
| 0 | 17 |
10.9%
|
|
| 1 | 74 |
47.4%
|
|
| 2 | 22 |
14.1%
|
|
| Sysmiss | 1 |