| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 | 642 |
52.9%
|
| 0.5 | 0.5 | 384 |
31.6%
|
| 1 | 1 | 188 |
15.5%
|
| -99 | -99 | 0 | |
| Sysmiss | 66 |