| Value | Category | Cases | |
|---|---|---|---|
| 0 | 7 |
28%
|
|
| 1 | 13 |
52%
|
|
| 2 | 3 |
12%
|
|
| 3 | 1 |
4%
|
|
| 6 | 1 |
4%
|
|
| Sysmiss | 633 |