| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 | 1165 |
76.4%
|
| 0.5 | 0.5 | 236 |
15.5%
|
| 1 | 1 | 124 |
8.1%
|
| -99 | -99 | 0 | |
| Sysmiss | 466 |