| Value | Category | Cases | |
|---|---|---|---|
| -999 | -999 | 6 |
1%
|
| -888 | -888 | 13 |
2.2%
|
| 0 | No | 304 |
51.4%
|
| 1 | Yes | 269 |
45.4%
|
| Sysmiss | 4358 |