| Value | Category | Cases | |
|---|---|---|---|
| -555 | 1 |
0.1%
|
|
| -99 | NA | 1 |
0.1%
|
| -88 | Don't know | 1 |
0.1%
|
| 0 | No | 4 |
0.3%
|
| 1 | Yes | 1283 |
99.5%
|
| Sysmiss | 8 |