| Value | Category | Cases | |
|---|---|---|---|
| 0 | 12 |
66.7%
|
|
| 2 | 1 |
5.6%
|
|
| 4 | 1 |
5.6%
|
|
| 7 | 1 |
5.6%
|
|
| 10 | 1 |
5.6%
|
|
| 15 | 1 |
5.6%
|
|
| 20 | 1 |
5.6%
|
|
| Sysmiss | 2060 |