| Value | Category | Cases | |
|---|---|---|---|
| -999 | -999 | 0 |
0%
|
| -888 | -888 | 1 |
0.5%
|
| -777 | Not Applicable | 17 |
9.3%
|
| 0 | No | 35 |
19.1%
|
| 1 | Yes | 130 |
71%
|
| Sysmiss | 729 |