| Value | Category | Cases | |
|---|---|---|---|
| -1 | 2 |
4.9%
|
|
| 0 | 31 |
75.6%
|
|
| 1 | 6 |
14.6%
|
|
| 3 | 1 |
2.4%
|
|
| 5 | 1 |
2.4%
|
|
| Sysmiss | 168 |