| Value | Category | Cases | |
|---|---|---|---|
| -999 | -999 | 0 |
0%
|
| -888 | -888 | 0 |
0%
|
| -777 | Not Applicable | 9 |
1.9%
|
| 0 | No | 105 |
22.3%
|
| 1 | Yes | 357 |
75.8%
|
| Sysmiss | 441 |