| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 | 850 |
67.5%
|
| 0.5 | 0.5 | 159 |
12.6%
|
| 1 | 1 | 251 |
19.9%
|
| -99 | -99 | 0 | |
| Sysmiss | 22 |