| Value | Category | Cases | |
|---|---|---|---|
| -1 | 7 |
21.2%
|
|
| 0 | 8 |
24.2%
|
|
| 1 | 15 |
45.5%
|
|
| 2 | 2 |
6.1%
|
|
| 5 | 1 |
3%
|
|
| Sysmiss | 738 |