| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 | 597 |
79.5%
|
| 0.5 | 0.5 | 108 |
14.4%
|
| 1 | 1 | 46 |
6.1%
|
| -99 | -99 | 0 | |
| Sysmiss | 29 |