| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 | 827 |
54.3%
|
| 0.5 | 0.5 | 521 |
34.2%
|
| 1 | 1 | 175 |
11.5%
|
| -99 | -99 | 0 | |
| Sysmiss | 11 |