| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3 |
5.5%
|
|
| 1 | 33 |
60%
|
|
| 2 | 12 |
21.8%
|
|
| 4 | 6 |
10.9%
|
|
| 6 | 1 |
1.8%
|
|
| Sysmiss | 416 |