| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
5.6%
|
|
| 1 | 2 |
5.6%
|
|
| 2 | 4 |
11.1%
|
|
| 3 | 13 |
36.1%
|
|
| 4 | 1 |
2.8%
|
|
| 5 | 12 |
33.3%
|
|
| 7 | 1 |
2.8%
|
|
| 8 | 1 |
2.8%
|
|
| Sysmiss | 164 |