| Value | Category | Cases | |
|---|---|---|---|
| 1 | 9 |
21.4%
|
|
| 2 | 6 |
14.3%
|
|
| 3 | 13 |
31%
|
|
| 4 | 1 |
2.4%
|
|
| 7 | 8 |
19%
|
|
| 9 | 2 |
4.8%
|
|
| 21 | 1 |
2.4%
|
|
| 23 | 2 |
4.8%
|
|
| Sysmiss | 30 |