| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
15.4%
|
|
| 1 | 8 |
61.5%
|
|
| 2 | 2 |
15.4%
|
|
| 3 | 1 |
7.7%
|
|
| Sysmiss | 645 |