| Value | Category | Cases | |
|---|---|---|---|
| 0 | 8 |
50%
|
|
| 1 | 5 |
31.3%
|
|
| 2 | 2 |
12.5%
|
|
| 4 | 1 |
6.3%
|
|
| Sysmiss | 642 |