| Value | Category | Cases | |
|---|---|---|---|
| 0 | 15 |
46.9%
|
|
| 2 | 3 |
9.4%
|
|
| 3 | 3 |
9.4%
|
|
| 6 | 11 |
34.4%
|
|
| Sysmiss | 1308 |