| Value | Category | Cases | |
|---|---|---|---|
| -999 | -999 | 1 |
0.1%
|
| -888 | -888 | 16 |
1.9%
|
| 0 | No | 512 |
59.3%
|
| 1 | Yes | 334 |
38.7%
|
| Sysmiss | 49 |