| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 | 177 |
17.5%
|
| 0.33 | 0.33 | 280 |
27.7%
|
| 0.66 | 0.66 | 401 |
39.7%
|
| 1 | 1 | 152 |
15%
|
| -99 | -99 | 0 | |
| Sysmiss | 4 |