| Value | Category | Cases | |
|---|---|---|---|
| -999 | -999 | 7 |
1.2%
|
| -888 | -888 | 15 |
2.5%
|
| 0 | No | 294 |
49.7%
|
| 1 | Yes | 276 |
46.6%
|
| Sysmiss | 4358 |