| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2 |
6.7%
|
|
| 2 | 7 |
23.3%
|
|
| 3 | 16 |
53.3%
|
|
| 6 | 1 |
3.3%
|
|
| 7 | 3 |
10%
|
|
| 9 | 1 |
3.3%
|
|
| Sysmiss | 1 |