| Value | Category | Cases | |
|---|---|---|---|
| 0 | 25 |
80.6%
|
|
| 6 | 1 |
3.2%
|
|
| 11 | 1 |
3.2%
|
|
| 13 | 1 |
3.2%
|
|
| 14 | 1 |
3.2%
|
|
| 16 | 1 |
3.2%
|
|
| 20 | 1 |
3.2%
|
|
| Sysmiss | 1060 |