| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 45 |
0.2%
|
| 0 | No | 11283 |
48.6%
|
| 1 | Yes | 11336 |
48.9%
|
| 9 | Can't determine | 533 |
2.3%
|
| Sysmiss | 1104 |