| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 | 741 |
42.4%
|
| 0.5 | 0.5 | 432 |
24.7%
|
| 1 | 1 | 573 |
32.8%
|
| -99 | -99 | 0 | |
| Sysmiss | 245 |