| Value | Category | Cases | |
|---|---|---|---|
| -999 | -999 | 0 |
0%
|
| -888 | -888 | 1 |
0.2%
|
| -777 | Not Applicable | 12 |
2.7%
|
| 0 | No | 98 |
22.2%
|
| 1 | Yes | 330 |
74.8%
|
| Sysmiss | 471 |