| Value | Category | Cases | |
|---|---|---|---|
| -99 | Inconsistent | 0 |
0%
|
| -9 | Missing | 1 |
0%
|
| 0 | incorrect | 136 |
6.8%
|
| 1 | correct | 1867 |
93.2%
|
| Sysmiss | 983 |