| Value | Category | Cases | |
|---|---|---|---|
| 0 | 15 |
68.2%
|
|
| 2 | 2 |
9.1%
|
|
| 5 | 3 |
13.6%
|
|
| 20 | 2 |
9.1%
|
|
| Sysmiss | 478 |