| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 | 1224 |
48.6%
|
| 0.5 | 0.5 | 995 |
39.5%
|
| 1 | 1 | 300 |
11.9%
|
| -99 | -99 | 0 | |
| Sysmiss | 292 |