| Value | Category | Cases | |
|---|---|---|---|
| -999 | -999 | 0 |
0%
|
| -888 | -888 | 3 |
1.8%
|
| -777 | Not Applicable | 12 |
7.4%
|
| 0 | No | 27 |
16.6%
|
| 1 | Yes | 121 |
74.2%
|
| Sysmiss | 749 |