| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 | 551 |
59.4%
|
| 0.5 | 0.5 | 320 |
34.5%
|
| 1 | 1 | 57 |
6.1%
|
| -99 | -99 | 0 | |
| Sysmiss | 67 |