| Value | Category | Cases | |
|---|---|---|---|
| 0 | 11 |
9.3%
|
|
| 1 | 16 |
13.6%
|
|
| 2 | 36 |
30.5%
|
|
| 3 | 55 |
46.6%
|
|
| Sysmiss | 4 |