| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 | 1999 |
80.3%
|
| 0.33 | 0.33 | 377 |
15.1%
|
| 0.66 | 0.66 | 83 |
3.3%
|
| 1 | 1 | 30 |
1.2%
|
| -99 | -99 | 0 | |
| Sysmiss | 43 |