| Value | Category | Cases | |
|---|---|---|---|
| 0 | 20 |
34.5%
|
|
| 1 | 17 |
29.3%
|
|
| 2 | 16 |
27.6%
|
|
| 3 | 5 |
8.6%
|
|
| Sysmiss | 2213 |