| Value | Category | Cases | |
|---|---|---|---|
| -999 | -999 | 0 |
0%
|
| -888 | -888 | 2 |
1.6%
|
| -777 | Not Applicable | 10 |
8.1%
|
| 0 | No | 30 |
24.2%
|
| 1 | Yes | 82 |
66.1%
|
| Sysmiss | 788 |