| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
9.1%
|
|
| 1 | 2 |
18.2%
|
|
| 2 | 1 |
9.1%
|
|
| 4 | 1 |
9.1%
|
|
| 7 | 2 |
18.2%
|
|
| 8 | 4 |
36.4%
|
|
| Sysmiss | 2239 |