| Value | Category | Cases | |
|---|---|---|---|
| 0 | 7 |
20%
|
|
| 1 | 20 |
57.1%
|
|
| 2 | 5 |
14.3%
|
|
| 3 | 3 |
8.6%
|
|
| Sysmiss | 623 |