| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 |
7.7%
|
|
| 2 | 1 |
7.7%
|
|
| 4 | 2 |
15.4%
|
|
| 12 | 4 |
30.8%
|
|
| 16 | 3 |
23.1%
|
|
| 18 | 1 |
7.7%
|
|
| 20 | 1 |
7.7%
|
|
| Sysmiss | 754 |