| Value | Category | Cases | |
|---|---|---|---|
| -999 | -999 | 0 |
0%
|
| -888 | -888 | 2 |
0.4%
|
| -777 | Not Applicable | 7 |
1.5%
|
| 0 | No | 84 |
18.4%
|
| 1 | Yes | 363 |
79.6%
|
| Sysmiss | 456 |