| Value | Category | Cases | |
|---|---|---|---|
| -999 | -999 | 2 |
0.8%
|
| -888 | -888 | 6 |
2.5%
|
| -777 | Not Applicable | 18 |
7.6%
|
| 0 | No | 25 |
10.5%
|
| 1 | Yes | 186 |
78.5%
|
| Sysmiss | 675 |