| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3 |
20%
|
|
| 2 | 3 |
20%
|
|
| 6 | 2 |
13.3%
|
|
| 7 | 4 |
26.7%
|
|
| 8 | 1 |
6.7%
|
|
| 14 | 2 |
13.3%
|
|
| Sysmiss | 170 |