| Value | Category | Cases | |
|---|---|---|---|
| 0 | 11 |
8.9%
|
|
| 2 | 32 |
26%
|
|
| 3 | 45 |
36.6%
|
|
| 4 | 35 |
28.5%
|
|
| Sysmiss | 8 |