| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 | 493 |
32.3%
|
| 0.5 | 0.5 | 415 |
27.2%
|
| 1 | 1 | 620 |
40.6%
|
| -99 | -99 | 0 | |
| Sysmiss | 6 |