| Value | Category | Cases | |
|---|---|---|---|
| 0 | 12 |
28.6%
|
|
| 1 | 15 |
35.7%
|
|
| 2 | 5 |
11.9%
|
|
| 3 | 5 |
11.9%
|
|
| 4 | 1 |
2.4%
|
|
| 6 | 2 |
4.8%
|
|
| 8 | 2 |
4.8%
|
|
| Sysmiss | 191 |