| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 | 37 |
3.8%
|
| 0.33 | 0.33 | 176 |
18.1%
|
| 0.66 | 0.66 | 317 |
32.6%
|
| 1 | 1 | 443 |
45.5%
|
| -99 | -99 | 0 | |
| Sysmiss | 28 |