| Value | Category | Cases | |
|---|---|---|---|
| -9 | Missing | 0 |
0%
|
| -1 | Refusal | 1 |
0.1%
|
| 0 | No | 461 |
67.7%
|
| 1 | Yes | 219 |
32.2%
|
| Sysmiss | 1464 |