| Value | Category | Cases | |
|---|---|---|---|
| 0 | 23 |
38.3%
|
|
| 1 | 19 |
31.7%
|
|
| 2 | 14 |
23.3%
|
|
| 3 | 4 |
6.7%
|
|
| Sysmiss | 513 |