| Value | Category | Cases | |
|---|---|---|---|
| -9 | 6 |
19.4%
|
|
| 1 | 6 |
19.4%
|
|
| 2 | 14 |
45.2%
|
|
| 3 | 3 |
9.7%
|
|
| 4 | 2 |
6.5%
|
|
| Sysmiss | 371 |