| Value | Category | Cases | |
|---|---|---|---|
| -999 | -999 | 2 |
0.8%
|
| -888 | -888 | 6 |
2.5%
|
| -777 | Not Applicable | 20 |
8.4%
|
| 0 | No | 50 |
21.1%
|
| 1 | Yes | 159 |
67.1%
|
| Sysmiss | 675 |