| Value | Category | Cases | |
|---|---|---|---|
| -1 | 1 |
3.3%
|
|
| 1 | 9 |
30%
|
|
| 3 | 1 |
3.3%
|
|
| 5 | 5 |
16.7%
|
|
| 6 | 13 |
43.3%
|
|
| 11 | 1 |
3.3%
|
|
| Sysmiss | 1019 |