| Value | Category | Cases | |
|---|---|---|---|
| -999 | -999 | 1 |
0.3%
|
| -888 | -888 | 8 |
2.7%
|
| -777 | Not Applicable | 28 |
9.6%
|
| 0 | No | 87 |
29.7%
|
| 1 | Yes | 169 |
57.7%
|
| Sysmiss | 619 |