| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 | 640 |
57.5%
|
| 0.5 | 0.5 | 287 |
25.8%
|
| 1 | 1 | 186 |
16.7%
|
| -99 | -99 | 0 | |
| Sysmiss | 51 |