| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 | 764 |
50.8%
|
| 0.5 | 0.5 | 461 |
30.7%
|
| 1 | 1 | 278 |
18.5%
|
| -99 | -99 | 0 | |
| Sysmiss | 4 |