| Value | Category | Cases | |
|---|---|---|---|
| -999 | -999 | 0 |
0%
|
| -888 | -888 | 1 |
1.5%
|
| -777 | Not Applicable | 4 |
6.1%
|
| 0 | No | 16 |
24.2%
|
| 1 | Yes | 45 |
68.2%
|
| Sysmiss | 846 |