| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 | 220 |
22%
|
| 0.5 | 0.5 | 142 |
14.2%
|
| 1 | 1 | 638 |
63.8%
|
| -99 | -99 | 0 | |
| Sysmiss | 9 |