| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
7.7%
|
|
| 1 | 15 |
57.7%
|
|
| 2 | 7 |
26.9%
|
|
| 4 | 2 |
7.7%
|
|
| Sysmiss | 4518 |