| Value | Category | Cases | |
|---|---|---|---|
| -999 | -999 | 0 |
0%
|
| -888 | -888 | 1 |
3.6%
|
| -777 | Not Applicable | 4 |
14.3%
|
| 0 | No | 2 |
7.1%
|
| 1 | Yes | 21 |
75%
|
| Sysmiss | 884 |