| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
5.1%
|
|
| 1 | 3 |
7.7%
|
|
| 2 | 6 |
15.4%
|
|
| 3 | 9 |
23.1%
|
|
| 4 | 3 |
7.7%
|
|
| 5 | 2 |
5.1%
|
|
| 6 | 14 |
35.9%
|
|
| Sysmiss | 960 |