| Value | Category | Cases | |
|---|---|---|---|
| 0 | 20 |
44.4%
|
|
| 1 | 14 |
31.1%
|
|
| 2 | 9 |
20%
|
|
| 3 | 2 |
4.4%
|
|
| Sysmiss | 2804 |