| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
3.8%
|
|
| 1 | 15 |
28.8%
|
|
| 2 | 12 |
23.1%
|
|
| 3 | 13 |
25%
|
|
| 4 | 4 |
7.7%
|
|
| 5 | 4 |
7.7%
|
|
| 6 | 2 |
3.8%
|
|
| Sysmiss | 513 |