| Value | Category | Cases | |
|---|---|---|---|
| -999 | -999 | 3 |
1.2%
|
| -888 | -888 | 5 |
2.1%
|
| -777 | Not Applicable | 17 |
7%
|
| 0 | No | 30 |
12.4%
|
| 1 | Yes | 187 |
77.3%
|
| Sysmiss | 670 |