| Value | Category | Cases | |
|---|---|---|---|
| -2 | 6 |
1.5%
|
|
| -1 | 61 |
15.6%
|
|
| 0 | 224 |
57.3%
|
|
| 1 | 89 |
22.8%
|
|
| 2 | 11 |
2.8%
|
|
| Sysmiss | 209 |