| Value | Category | Cases | |
|---|---|---|---|
| -99 | Inconsistent | 5 |
0.5%
|
| -9 | Missing | 2 |
0.2%
|
| 0 | incorrect | 100 |
10.3%
|
| 1 | correct | 864 |
89%
|
| Sysmiss | 2016 |