| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 | 497 |
40.5%
|
| 0.5 | 0.5 | 251 |
20.5%
|
| 1 | 1 | 478 |
39%
|
| -99 | -99 | 0 | |
| Sysmiss | 1 |