| Value | Category | Cases | |
|---|---|---|---|
| -99 | Inconsistent | 0 |
0%
|
| -9 | Missing | 1 |
0.3%
|
| 0 | incorrect | 10 |
2.6%
|
| 1 | correct | 379 |
97.2%
|
| Sysmiss | 2597 |