| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 | 2685 |
88.1%
|
| 0.5 | 0.5 | 218 |
7.2%
|
| 1 | 1 | 145 |
4.8%
|
| -99 | -99 | 0 | |
| Sysmiss | 3 |