| Value | Category | Cases | |
|---|---|---|---|
| -2 | 19 |
12.2%
|
|
| -1 | 69 |
44.2%
|
|
| 0 | 9 |
5.8%
|
|
| 1 | 48 |
30.8%
|
|
| 2 | 11 |
7.1%
|
|
| Sysmiss | 1 |