| Value | Category | Cases | |
|---|---|---|---|
| -555 | 1 |
0.1%
|
|
| -99 | NA | 0 |
0%
|
| -88 | Don't know | 9 |
0.7%
|
| 0 | No | 31 |
2.4%
|
| 1 | Yes | 1249 |
96.8%
|
| Sysmiss | 8 |