| Value | Category | Cases | |
|---|---|---|---|
| 0 | 12 |
52.2%
|
|
| 2 | 1 |
4.3%
|
|
| 3 | 2 |
8.7%
|
|
| 4 | 1 |
4.3%
|
|
| 5 | 1 |
4.3%
|
|
| 6 | 6 |
26.1%
|
|
| Sysmiss | 982 |