| Value | Category | Cases | |
|---|---|---|---|
| -999 | -999 | 0 |
0%
|
| -888 | -888 | 1 |
0.4%
|
| -777 | Not Applicable | 13 |
5.5%
|
| 0 | No | 68 |
28.6%
|
| 1 | Yes | 156 |
65.5%
|
| Sysmiss | 674 |