| Value | Category | Cases | |
|---|---|---|---|
| 0 | 21 |
87.5%
|
|
| 2 | 1 |
4.2%
|
|
| 14 | 1 |
4.2%
|
|
| 20 | 1 |
4.2%
|
|
| Sysmiss | 3834 |