| Value | Category | Cases | |
|---|---|---|---|
| 0 | 7 |
20%
|
|
| 1 | 13 |
37.1%
|
|
| 2 | 7 |
20%
|
|
| 3 | 1 |
2.9%
|
|
| 4 | 1 |
2.9%
|
|
| 6 | 1 |
2.9%
|
|
| 9 | 5 |
14.3%
|
|
| Sysmiss | 86 |