| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 | 255 |
26.2%
|
| 0.5 | 0.5 | 321 |
33%
|
| 1 | 1 | 396 |
40.7%
|
| -99 | -99 | 0 | |
| Sysmiss | 29 |