| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
8.7%
|
|
| 1 | 9 |
39.1%
|
|
| 2 | 2 |
8.7%
|
|
| 4 | 8 |
34.8%
|
|
| 7 | 2 |
8.7%
|
|
| Sysmiss | 1928 |