| Value | Category | Cases | |
|---|---|---|---|
| -2 | 14 |
3.6%
|
|
| -1 | 49 |
12.5%
|
|
| 0 | 287 |
73.4%
|
|
| 1 | 32 |
8.2%
|
|
| 2 | 9 |
2.3%
|
|
| Sysmiss | 209 |