| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 | 541 |
45.3%
|
| 0.5 | 0.5 | 359 |
30.1%
|
| 1 | 1 | 294 |
24.6%
|
| -99 | -99 | 0 | |
| Sysmiss | 6 |