| Value | Category | Cases | |
|---|---|---|---|
| -99 | -99 (Don't know) | 7 |
0.5%
|
| -66 | -66 (refuse to answer) | 2 |
0.1%
|
| 0 | No | 796 |
58%
|
| 1 | Yes | 567 |
41.3%
|
| Sysmiss | 7 |