| Value | Category | Cases | |
|---|---|---|---|
| -999 | -999 | 1 |
0.3%
|
| -888 | -888 | 5 |
1.7%
|
| -777 | Not Applicable | 33 |
11.2%
|
| 0 | No | 73 |
24.7%
|
| 1 | Yes | 183 |
62%
|
| Sysmiss | 617 |