| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 |
11.1%
|
|
| 2 | 3 |
33.3%
|
|
| 3 | 1 |
11.1%
|
|
| 9 | 1 |
11.1%
|
|
| 12 | 1 |
11.1%
|
|
| 20 | 1 |
11.1%
|
|
| 21 | 1 |
11.1%
|
|
| Sysmiss | 22 |