| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4 |
11.4%
|
|
| 1 | 2 |
5.7%
|
|
| 2 | 5 |
14.3%
|
|
| 3 | 9 |
25.7%
|
|
| 4 | 13 |
37.1%
|
|
| 5 | 2 |
5.7%
|
|
| Sysmiss | 275 |