| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
6.7%
|
|
| 3 | 1 |
6.7%
|
|
| 5 | 6 |
40%
|
|
| 6 | 1 |
6.7%
|
|
| 7 | 5 |
33.3%
|
|
| 8 | 1 |
6.7%
|
|
| Sysmiss | 1985 |