| Value | Category | Cases | |
|---|---|---|---|
| -98 | Don't know | 4 |
0.1%
|
| 0 | No | 2676 |
61.5%
|
| 1 | Yes | 1672 |
38.4%
|
| 11 | .Z | 553 | |
| Sysmiss | 1 |