| Value | Category | Cases | |
|---|---|---|---|
| -1 | 10 |
3.1%
|
|
| 0 | 153 |
46.9%
|
|
| 1 | 40 |
12.3%
|
|
| 2 | 82 |
25.2%
|
|
| 3 | 41 |
12.6%
|
|
| Sysmiss | 8484 |