| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 | 344 |
37.4%
|
| 0.5 | 0.5 | 246 |
26.7%
|
| 1 | 1 | 330 |
35.9%
|
| -99 | -99 | 0 | |
| Sysmiss | 134 |