| Value | Category | Cases | |
|---|---|---|---|
| -3 | 8 |
2%
|
|
| -2 | 15 |
3.8%
|
|
| -1 | 57 |
14.3%
|
|
| 0 | 173 |
43.5%
|
|
| 1 | 104 |
26.1%
|
|
| 2 | 34 |
8.5%
|
|
| 3 | 7 |
1.8%
|
|
| Sysmiss | 202 |